Beginner-friendly economics explainers, translated from Bookclip Econ

ADTechnology Custom-Chip Design House · 4 min read

How ADTechnology Earns Money Between Fabless Designers and Foundries

ADTechnology is a Korean design house that implements customer chips for Samsung Foundry processes. Design revenue becomes longer-running product revenue only after tape-out, validation, and production.

1. Market expectation
2. Reported earnings
3. Surprise
4. Stock reaction

Understanding the concept of analyst consensus · 7 min read

Why Analyst Consensus Is the Benchmark for Earnings Reactions

Consensus represents the market's baseline expectation, compiled from multiple analysts' forecasts. Earnings are interpreted by comparing actual results against this benchmark.

1. Growth expansion
2. Jobs and spending
3. Inventory and rates
4. Production slowdown
5. Rebalancing

Understanding the basics of the economic cycle · 5 min read

How to Distinguish Economic Expansion and Recession by Their Signals

The economy is not about good or bad feelings, but a trend where production, consumption, employment, investment, and income strengthen or weaken together.

1. Cash usage
2. Buyback
3. Free-float reduction
4. Per-share metric

Understanding Share Buybacks · 7 min read

Why Share Buybacks Can Change Per-Share Value

A share buyback is when a company repurchases its own stock. To understand its impact, you must look at the share count, cash usage, and management signals together.

1. Capital spending
2. Capacity gain
3. Depreciation
4. Debt burden
5. Utilization

Understanding how to interpret CAPEX · 7 min read

Is Capital Expenditure a Signal of Growth or a Financial Burden?

Capital expenditure (CAPEX) increases future production capacity but immediately reduces cash and creates depreciation expenses. It requires balancing the potential for growth against the risk of financial burden.

1. Revenue recognition
2. Accounting profit
3. Cash collection
4. Operating cash

Understanding the difference between cash flow and accounting profit · 7 min read

Why Is a Profitable Company Short on Cash?

Accounting profit is performance recognized by rules, while cash flow is the actual movement of money. The gap between the two is crucial for judging a company's financial health.

1. Policy rate
2. Market rates
3. Deposit and loan
4. Consumption and investment
5. Prices and jobs

Understanding the transmission path of the central bank's policy rate · 5 min read

How the Policy Rate Travels to Become the Interest Rates in Your Daily Life

The policy rate set by the central bank influences household and business decisions by passing through loans, deposits, bonds, exchange rates, and market sentiment.

1. Commodity shock
2. Input costs
3. Margins and pricing
4. Consumption and output

How to interpret commodity shocks · 7 min read

Why Do Commodity Shocks Shake Both Inflation and Corporate Profits?

Shocks in oil, gas, and grain prices ripple through living costs, corporate expenses, and trade balances via multiple channels.

1. Management outlook
2. Assumption range
3. Demand and costs
4. Actual results

How to interpret company guidance · 6 min read

Is Company Guidance a Promise or a Forecast?

Guidance is a company's forecast of future performance. Instead of treating it as a promise, you should examine the underlying assumptions and ranges.

1. Opportunity cost
2. Relative strength
3. Specialization
4. Trade gains

Understanding Comparative Advantage and the Gains from Trade · 5 min read

Why Does Trade Encourage Countries to Specialize in What They Do Best?

The benefits of trade do not come from who is better at everything, but from dividing labor based on who can do a task with the lowest relative sacrifice.

1. Credit easing
2. Asset price rise
3. Collateral expansion
4. Delinquency and tightening
5. Forced selling

credit cycle · 7 min read

Why the Credit Cycle Shakes Before the Economy

The credit cycle is the recurring pattern of lending and borrowing attitudes shifting from loose to strict and back again.

1. Default risk
2. Credit spread
3. Funding cost
4. Corporate profit
5. Stock pressure

credit spread · 5 min read

What Warning Does the Credit Spread Give to the Stock Market?

The difference between corporate bond and government bond yields reveals corporate funding stress. It often signals risk before stock prices do.

1. Home currency strength
2. Foreign currency costs less
3. Home currency weakness
4. Foreign currency costs more

Understanding currency strength and weakness · 5 min read

What Does It Mean When a Currency Strengthens or Weakens?

Currency strength and weakness describe whether a nation's money has become more or less expensive compared to another nation's money. This affects purchasing power and trade.

Understanding Daeduck Electronics' business model · 5 min read

Where Can Daeduck Electronics' FC-BGA Recovery Be Confirmed?

Daeduck Electronics produces memory package substrates, FC-BGA substrates, and multilayer PCBs. Data-center and automotive demand can change utilization and product mix.

DB HiTek Power-Semiconductor Foundry · 3 min read

Why DB HiTek’s 8-Inch Foundry Matters Again in Power Semiconductors

DB HiTek operates a specialized 8-inch foundry and is pursuing high-voltage processes plus SiC and GaN commercialization.

1. Maturity concentration
2. Refinance need
3. Rate rise
4. Cash strain
5. Default

Understanding debt maturity structure · 7 min read

Why Debt Maturity Is a More Urgent Problem Than Interest Rates

High debt is manageable if maturities are long and cash flow is stable. However, when near-term maturities cluster, financial risk escalates significantly.

1. Debt ratio
2. Equity buffer
3. Operating profit
4. Interest coverage

Understanding debt levels and the ability to cover interest payments · 7 min read

Why Looking Only at Debt-to-Equity Ratio Can Miss Financial Risk

The debt-to-equity ratio shows how much a company has borrowed, but the interest coverage ratio reveals its ability to earn enough to pay that interest.

1. Price drop
2. Deferred demand
3. Sales decline
4. Higher real debt
5. Earnings deterioration

Understanding the risks of deflation · 5 min read

Is Falling Prices Always Good for the Stock Market?

Falling prices can reduce living costs, but when they signal weak demand and declining sales, they can burden corporate profits.

1. Asset purchase
2. Cash outflow
3. Time allocation
4. Depreciation expense

Understanding the difference between depreciation and cash flow · 7 min read

Is Depreciation a Cash Expense?

Depreciation is an accounting method that spreads the cost of a past asset purchase over its useful life. It affects reported profits differently than actual cash flow.

1. Core operating cash
2. Capex
3. Excess cash
4. Dividend payment

Understanding dividend sustainability · 7 min read

Where Should Dividends Come From to Last?

Dividends are cash distributed to shareholders, but to be sustainable, they must be supported by genuine profits and cash flow.

Understanding how exchange rates are quoted · 6 min read

What Does the KRW/USD Exchange Rate Number Actually Represent?

When we say the KRW/USD exchange rate has risen, it means it takes more Korean Won to buy one US Dollar. Understanding the direction of the quote is the first step.

Dongjin Semichem's photoresist business · 5 min read

How Dongjin Semichem Moves Photoresist From Localization to Production

Dongjin Semichem supplies electronic materials for semiconductor and display production. Photoresist development, customer evaluation, and production supply should be separated, especially after the foaming-agent business split.

Doosan Tesna's system-semiconductor testing business · 5 min read

How Doosan Tesna Earns Revenue From System-Semiconductor Testing

Doosan Tesna performs wafer and package testing for system semiconductors. Customer production volume and investment in test capacity connect to results through utilization and actual test work.

EO Technics semiconductor laser equipment · 5 min read

How EO Technics Laser Equipment Fits Into Advanced Packaging

EO Technics, a Korean laser-equipment company, has expanded from marking into cutting, drilling, and annealing. The key question is what converts an advanced-packaging opportunity into equipment revenue.

Eugene Technology LPCVD Equipment · 4 min read

What Eugene Technology’s LPCVD Business Reveals About Memory Investment

Eugene Technology is a Korean thin-film equipment specialist. Its results depend not only on memory-industry spending but also on whether specific LPCVD and plasma tools complete evaluation and receive repeat orders.

1. FX sales
2. Rate stabilization
3. Reserve depletion
4. Rates and flows

Understanding the limits of government intervention in foreign exchange markets · 6 min read

When Government Intervention Fails to Stabilize Exchange Rates

Government intervention can slow down exchange rate fluctuations, but it is difficult to completely reverse trends driven by interest rate gaps, trade flows, and global demand for the dollar.

1. Inflation expectation
2. Forward buying
3. Wage demand
4. Price hikes

Understanding inflation expectations · 4 min read

Why Do Inflation Expectations Move Actual Prices?

When people believe prices will rise in the future, they change their spending, wage demands, and pricing decisions, which can actually drive up inflation.

FADU SSD Controllers · 4 min read

How FADU Must Demonstrate a Recovery in Data-Center SSDs

FADU is a Korean fabless company designing data-center SSD controllers, firmware, and storage platforms. Its recovery depends on qualified customer orders becoming repeated shipments and transparently reported revenue.

1. Fiscal deficit
2. Demand support
3. Private recovery
4. Interest burden
5. Fiscal capacity

Understanding the interpretation of fiscal policy · 5 min read

When Does a Fiscal Deficit Stimulate the Economy and When Does It Become a Burden?

News of increased government spending can support demand, but it also brings the burdens of higher interest rates and concerns about debt sustainability.

1. Foreign reserves
2. Import settlement
3. Debt repayment
4. Reserve cost

Understanding foreign reserves · 6 min read

Is More Foreign Reserve Always Better?

Foreign reserves act as a safety net during crises, but their adequacy must be evaluated alongside import volumes, short-term external debt, and capital outflow risks.

Operating cash − Capex = Free cash

Understanding Free Cash Flow (FCF) · 7 min read

Why Free Cash Flow Is the Company's Spare Money

Free cash flow is the cash remaining after subtracting necessary investments from operating earnings. It is used to assess dividends, debt repayment, and growth potential.

1. Household consumption
2. Business investment
3. Government spending
4. Net exports

Understanding the components of GDP · 5 min read

How to Read GDP by Breaking It Down into Consumption, Investment, Government Spending, and Net Exports

While GDP growth rates appear as a single number, they actually reflect the movements of household consumption, business investment, government spending, and trade balances.

Hana Materials' etch-process parts business · 5 min read

Why Hana Materials Silicon and SiC Parts Track Fab Utilization

Hana Materials supplies silicon and SiC parts used in semiconductor etch equipment. Demand for these consumable parts connects equipment utilization and replacement cycles to revenue.

Understanding Hana Micron's business model · 6 min read

How Does Hana Micron Turn Back-End Volume into Revenue?

Hana Micron is an outsourced semiconductor assembly and test company. The key question is whether higher volume at its Vietnam production base translates not only into revenue growth but also into better utilization and cash flow.

Hanmi Semiconductor HBM Bonding Equipment · 4 min read

Why Hanmi Semiconductor’s HBM Bonders Show a Lag Between Orders and Revenue

Hanmi Semiconductor is a Korean back-end equipment maker producing thermal-compression bonders used in HBM stacking, as well as vision-placement systems. It sells equipment, not memory chips.

1. Kim family & Hanwha Energy
2. Hanwha Corp.
3. Hanwha Aerospace
4. Hanwha Systems & Hanwha Ocean
5. Direct stakes vs. PRS exposure

Hanwha defense ownership structure · 6 min read

Why Hanwha’s Defense Ownership Structure Centers on Hanwha Aerospace

Hanwha’s defense, space and naval businesses form a chain: Hanwha Corp. controls Hanwha Aerospace, which in turn holds major stakes in Hanwha Systems and Hanwha Ocean. For Ocean, however, direct ownership must be separated from PRS-related economic exposure.

Hanwha Systems business and financial structure · 5 min read

How Hanwha Systems Makes Money—and Why Philly Shipyard Matters

In the first quarter of 2026, defense generated 58.4% of Hanwha Systems’ revenue, ICT 21.3% and other businesses 20.4%. The core businesses were profitable, but losses in the other segment and financial-asset valuation losses produced a consolidated net loss.

1. Fixed costs
2. Variable costs
3. Debt interest
4. Real income

How households can respond to rising prices · 5 min read

Three Lines to Check First in Your Household Budget When Prices Rise

During inflation, the first step is not to cut all spending equally, but to categorize expenses into fixed costs, variable costs, and interest expenses.

HPSP High-Pressure Annealing Equipment · 4 min read

Why HPSP Should Be Judged by Process Expansion, Not Monopoly Claims

HPSP is a Korean equipment company developing high-pressure hydrogen and deuterium annealing systems that reduce semiconductor interface defects. The relevant test is broader qualified use and repeat purchasing.

Understanding the link between imported inflation and exchange rates in the Korean market · 6 min read

Why Imported Prices Move First When Exchange Rates Rise

A weak Korean won pushes up the price of imported raw materials and goods when measured in won. This article explains the cost transmission path.

1. Wage demands
2. Corporate costs
3. Selling price
4. Inflation expectations
5. Productivity cushion

Understanding the interaction between wages and prices · 5 min read

Why Do Wages and Prices Push Each Other Up?

When wages rise, living standards may improve, but this can loop back to drive up prices through higher business costs and selling prices.

1. Sales slowdown
2. Inventory growth
3. Discounting
4. Earnings decline

Understanding the relationship between inventory levels and economic cycles · 5 min read

When Does Rising Inventory Become a Warning Signal?

Rising inventory can signal slowing demand or preparation for recovery. To understand the difference, look at production, shipments, and new orders together.

1. Inventory stock
2. Cost of goods sold
3. Inventory days
4. Sell-through speed

Understanding inventory turnover and earnings risk · 7 min read

Why Does Longer Inventory Days Signal Higher Earnings Risk?

Inventory days measure how long it takes for goods in the warehouse to sell. As this period lengthens, investors must watch for cash being tied up and the risk of forced discounts.

1. Inventory buildup
2. Price drop
3. Write-down loss
4. Profit and equity loss

Understanding inventory write-downs · 7 min read

Why Inventory Write-Downs Signal Slowing Demand

An inventory write-down occurs when the value of goods in a warehouse is deemed lower than recorded on the books. It reveals clues about demand, pricing, and technological shifts.

Understanding ISC's business model · 5 min read

What Role Do ISC Test Sockets Play in AI Chip Production?

ISC supplies both silicone rubber sockets and pogo-pin contact solutions. The quality of its growth depends on whether development evaluations expand into production and burn-in testing.

Jeju Semiconductor Low-Power Memory · 4 min read

Why Jeju Semiconductor Should Be Read Through Low-Power Memory, Not AI Hype

Jeju Semiconductor is a Korean fabless company that designs low-power memory and relies on outside manufacturing. Product qualification and long-lived repeat supply matter more than a short thematic label.

Jusung Engineering's ALD equipment business · 6 min read

Can Jusung Engineering Turn ALD Technology Into a Broader Customer Mix?

Jusung Engineering, a Korean equipment maker, develops semiconductor ALD and CVD systems as well as solar and display equipment. Its technology portfolio and its actual revenue mix need to be examined separately.

1. Working-age population
2. Employed
3. Job-seeking unemployed
4. Nonparticipants

Understanding the Labor Force Participation Rate · 5 min read

Why Is the Labor Force Participation Rate Always Next to the Unemployment Rate?

The labor force participation rate measures the percentage of people entering the labor market to work or look for jobs. It fills in the gaps left by the unemployment rate.

Understanding Leeno Industrial's business model · 5 min read

Why Does Leeno Industrial Get Busier as Chip Development Accelerates?

Leeno Industrial supplies IC test sockets and LEENO pins for semiconductor testing. Repeated product development and production testing create demand for customized consumable components.

Understanding LG Innotek's business transition · 5 min read

How Much Can FC-BGA Growth Change LG Innotek's Optics-Led Portfolio?

Mobile camera modules remain a large part of LG Innotek while the company grows semiconductor substrates such as FC-BGA. Its growth engine and current profit engine should be evaluated separately.

1. Limit price
2. Execution risk
3. Immediate fill
4. Price risk

Comparing order types · 5 min read

What Is the Difference Between Limit Orders and Market Orders?

Limit orders set a price boundary, while market orders prioritize execution. Learn the essential differences every beginner should know before clicking an order button.

1. Externality
2. Information gap
3. Government intervention
4. Regulatory cost
5. Capture risk

Understanding market failure and government failure · 5 min read

Why We Must Look at Both Market Failure and Government Failure

The market is not always the answer, and government intervention is not always the solution. We examine where failures occur and their unintended side effects.

1. Individual choice
2. Price incentives
3. Whole economy
4. Inflation and jobs

Understanding the difference between microeconomics and macroeconomics · 5 min read

How to Read Microeconomics and Macroeconomics Differently

A single store's pricing decisions and a nation's overall economic trends exist within the same economy, but they ask different questions and rely on different indicators.

1. Minimum wage
2. Labor income
3. Hours worked
4. Product price
5. Productivity

Understanding the effects of minimum wage · 5 min read

Why the Minimum Wage Debate Goes Beyond Just Wages and Jobs

While the minimum wage can raise income for low-wage workers, it must be viewed alongside its impact on business costs, prices, employment levels, and productivity adjustments.

Mirae Semiconductor Distribution Business · 4 min read

Why Mirae Semiconductor Is a Distributor, Not a Chip Manufacturer

Mirae Semiconductor is a Korean distributor of Samsung Electronics semiconductor products and provides customer support, including memory after-sales service. Its economics are those of distribution rather than wafer manufacturing.

1. Entry barrier
2. Persistent excess profit
3. Demand surge
4. Competition expansion

Distinguishing sustainable competitive advantage from temporary market booms · 7 min read

How to Distinguish an Economic Moat from a Temporary Boom

To sustain high profit margins, a company needs a reason why competitors cannot easily catch up. This article explains how to tell the difference between a temporary boom and a true economic moat.

1. Barter friction
2. Money trust
3. Exchange
4. Measurement
5. Value store

Understanding the fundamental principles of currency · 5 min read

Why Does Money Hold More Power Than Paper?

Money derives its power not from being paper or numbers, but from the collective belief that others will accept it and its ability to simplify transactions.

Nextin's semiconductor inspection-equipment business · 5 min read

Why Nextin Wafer Inspection Matters as Semiconductor Processes Get Harder

Nextin, a Korean equipment company, develops optical systems that find wafer defects. Inspection performance, customer qualification, equipment shipment, and revenue must be tracked as separate stages.

Reported income − Asset sale gain = Core income

• Repeatability

Distinguishing between recurring profits and one-time gains or losses · 7 min read

Why Do One-Time Gains Create Illusions of Strong Performance?

Profits from asset sales or lawsuit settlements are different from a company's recurring operational strength. Learn how to read news about surging net income correctly.

1. Order contract
2. Backlog
3. Delivery and inspection
4. Revenue recognition

Understanding the relationship between order backlog and revenue recognition · 7 min read

Does a Large Order Backlog Mean Revenue Will Rise Immediately?

An order backlog represents the volume of orders not yet converted into revenue. While it offers a hint of future sales, profits and cash flow must be verified separately.

Park Systems atomic force microscopes and semiconductor metrology · 5 min read

What Park Systems AFMs Measure in Semiconductor Metrology

Park Systems, a Korean metrology company, supplies atomic force microscopes for research and industry. The commercial question is how semiconductor scaling translates into demand for industrial AFMs.

Philoptics glass-substrate equipment business · 5 min read

Where Philoptics Glass-Substrate Equipment Stands in Commercialization

Philoptics is extending its experience in laser-based display equipment into glass-substrate processing systems. Technology demonstrations, customer evaluation, orders, and revenue must remain separate.

1. Indicator reading
2. Policy decision
3. Transmission lag
4. Economic shift
5. Overreaction

Understand the time lags in economic policy and why they make timing the market difficult · 7 min read

Why Policy Responses Always Seem Late

Policy responses face lags in recognition, decision-making, execution, and impact, making it hard to perfectly align with economic cycles.

1. Demand rise
2. Price rise
3. Supply incentive
4. Shortages and waits

Understanding price signals · 5 min read

Why Do Prices Signal Shortages and Surpluses?

Prices are not just numbers; they are signals that reveal how much people want something and whether a product is scarce or in surplus.

1. Productivity
2. Unit cost
3. Real wages
4. Living standard

Understanding the link between productivity and living standards · 4 min read

Why Do Productivity Gains Lead to Discussions on Wages and Living Standards?

Productivity is the ability to create more value with the same time and resources. It serves as the foundation for long-term wage growth and living standards.

PSK Photoresist Strip Equipment · 3 min read

Why PSK’s Photoresist Strip Equipment Matters as Process Steps Repeat

PSK supplies photoresist strip equipment that removes residual resist after wafer processing.

1. Government debt
2. Domestic creditors
3. Foreign creditors
4. Future revenue

Understanding the basics of national debt · 5 min read

Public Debt: Who Does the Country Actually Owe?

National debt is money the government borrows to cover past deficits. The risk profile changes depending on who holds the debt and in which currency.

1. Rate cut
2. Short-term rates
3. Asset purchases
4. Long rates and liquidity

Understanding the difference between quantitative easing and interest rate cuts · 5 min read

What's the Difference Between Quantitative Easing and Interest Rate Cuts?

Both appear to be easing policies, but rate cuts target the price of money, while quantitative easing targets the quantity and maturity of assets in financial markets.

Qualitas Semiconductor Interface IP · 4 min read

Why Qualitas Semiconductor’s Interface IP Enters a Design Before the Chip Exists

Qualitas Semiconductor is a Korean developer of high-speed interface IP. It licenses reusable design blocks that move data between chip components rather than manufacturing and selling completed chips.

1. Production and jobs
2. Slow adjustment
3. Asset prices
4. Faster expectations

Understanding the difference between the real economy and the financial economy · 5 min read

Why the Real Economy and Financial Economy Move at Different Speeds

Changes in factories and jobs appear later, while stocks and bonds price in expectations first. This article explores the time lag between the two.

Revenue − Cost of goods − Opex = Profit

Understanding the difference between revenue and profit · 7 min read

Why Can Profit Fall Even When Revenue Rises?

Revenue is the total amount a company sells, while profit is what remains after costs are deducted. Distinguishing between these two figures makes it easier to interpret earnings reports.

1. Net income
2. Equity
3. Total assets
4. Debt leverage

Understanding Return on Equity and Return on Assets · 7 min read

What Do ROE and ROA Reveal About Business Efficiency?

ROE measures profit relative to shareholder equity, while ROA measures profit relative to total assets. To determine if a high return is truly positive, you must consider leverage and sustainability.

Understanding Samwha Capacitor's business model · 5 min read

How Does Samwha Capacitor Divide Demand Between AI Servers and Electric Vehicles?

Samwha Capacitor produces both MLCCs and film capacitors for power and automotive applications. AI servers and electric vehicles create demand through different products and profit paths.

Samsung Electronics and AMD HBM4 Collaboration · 5 min read

When Will Samsung Electronics’ HBM4 Collaboration with AMD Reach Earnings?

Samsung Electronics and AMD signed an MOU covering HBM4 supply and next-generation AI systems. The next questions concern binding terms, volume, pricing, shipment timing, and whether cooperation extends into foundry and advanced packaging.

Understanding Samsung Electro-Mechanics' AI component portfolio · 5 min read

How Does Samsung Electro-Mechanics Diversify Its Exposure to AI Server Components?

Samsung Electro-Mechanics supplies both FC-BGA substrates and high-capacitance MLCCs for AI servers. Its substrate, component, and camera operations must be evaluated separately.

Understanding Samyoung's business model · 5 min read

What Must Samyoung's Capacitor Film Expansion Prove Before It Becomes Growth?

Samyoung produces polypropylene capacitor film, a core material in film capacitors. Stable production and a higher-value product mix matter more than an expansion announcement alone.

1. Deferred spending
2. Financial savings
3. Capital spending
4. Capacity build

Distinguishing between saving and investing · 5 min read

What Roles Do Saving and Investing Play Differently in the Economy?

Saving is deferring current consumption for the future, while investing involves taking risks to expect future production or returns.

1. Demand change
2. Selling price
3. Utilization
4. Industry profit
5. Expansion or cuts

Understanding sector sensitivity to economic cycles · 6 min read

Why Do Sector Cycles Shake Earnings So Drastically?

Industries with large cyclical swings, such as semiconductors, chemicals, steel, and shipping, require readers to distinguish between a company's intrinsic strength and the tailwinds of the industry.

1. Recovery expectation
2. Cyclical stocks
3. Boom or tightening
4. Defensive stocks
5. Bottom expectations

sector rotation · 7 min read

How Sector Rotation Reflects the Economic Cycle

Sector rotation is the phenomenon where preferred industries shift as economic phases, interest rates, and profit expectations change.

Seoul Semiconductor LED Technology · 3 min read

Why Seoul Semiconductor Is a Light-Emitting Chip Company, Not a Memory Stock

Seoul Semiconductor is an optoelectronics company developing LEDs for lighting, displays, and vehicles.

Understanding SFA Semicon's business model · 5 min read

Will SFA Semicon's Back-End Expansion Lead to a Turnaround?

SFA Semicon performs semiconductor packaging on a contract-processing basis and operates a Philippine production subsidiary. The key is whether new equipment improves utilization and costs.

Understanding Simmtech's business model · 5 min read

How Will Simmtech Grow Its Memory Boards and Advanced Package Substrates?

Simmtech produces memory-module PCBs and semiconductor package substrates. Demand from server memory and high-performance chips changes its product mix and factory utilization.

SK hynix AI Memory Business · 4 min read

Why Looking Only at HBM Shows Only Half of SK hynix

SK hynix’s AI memory strategy extends from HBM into server DRAM, enterprise SSDs, and customer-specific memory.

SK Square Investment-Company Structure · 4 min read

Why SK Square Should Be Read as an Investment Company, Not a Chipmaker

SK Square holds a large interest in SK hynix, but it creates value through investment, exits, capital allocation, and shareholder returns rather than semiconductor manufacturing.

Understanding SKC's semiconductor materials transition · 5 min read

When Will SKC's Glass Substrate Move from New Venture to Financial Results?

Through Absolics, SKC is pursuing customer qualification and commercialization of glass substrates in Georgia, United States. Technical progress and consolidated earnings must be evaluated separately.

Soulbrain's semiconductor process-materials business · 5 min read

Why Soulbrain Semiconductor Chemicals Track Utilization and Process Complexity

Soulbrain supplies semiconductor process materials including etchants, cleaning solutions, and precursors. Actual wafer input and process steps can matter more to sales than a factory-construction announcement.

1. Retail flow
2. Institutional flow
3. Foreign flow
4. Counterparty mix

Understanding investor-specific capital flows · 6 min read

How to Interpret Stock Flows from Individuals, Institutions, and Foreigners

Knowing who bought a stock doesn't automatically explain why. This article breaks down the nature of different investor groups to help you read market data more accurately.

1. Demand shock
2. Demand-price co-move
3. Supply shock
4. Output-price divergence

Understanding the distinction between demand and supply shocks · 5 min read

Why Do Treatments Differ for Supply Shocks and Demand Shocks?

When the economy stumbles, the solution depends on whether the cause is a lack of production or a drop in consumer spending, leading to different outcomes for prices, growth, and policy.

Understanding TCK's business model · 5 min read

Why Do TCK's SiC Rings Matter More as Etching Becomes More Demanding?

TCK makes CVD-SiC components that support the edge of a wafer inside semiconductor etching equipment. Process intensity and replacement cycles determine recurring demand.

Techwing test handlers and HBM inspection equipment · 5 min read

How Techwing Is Expanding From Memory Test Handlers Into HBM Inspection

Techwing builds on its memory test-handler business to develop HBM inspection equipment. Development, customer evaluation, and production orders need to remain clearly separated.

TES PECVD and Dry-Cleaning Equipment · 4 min read

How TES Converts PECVD and Dry-Cleaning Contracts into Sales

TES is a Korean semiconductor equipment company centered on PECVD and dry-cleaning systems. Its 2026 disclosures show continuing supply contracts, but contract dates and revenue-recognition dates are not interchangeable.

1. Employed
2. Unemployed
3. Labor force
4. Discouraged workers

How to read and interpret unemployment rate data · 5 min read

Why Employment Can Feel Unstable Even When the Unemployment Rate Is Low

The unemployment rate measures the share of job seekers who cannot find work. This article explains why this statistic may not match the general feeling about the job market.

1. Production
2. Income
3. Consumption
4. Next production

Understanding basic economic concepts · 5 min read

How to Understand Economic News Through Simple Sentences

Reading the economy not as abstract numbers but as the flow connecting production, income, and consumption makes news articles much easier to understand.

Wonik IPS Semiconductor Deposition Equipment · 4 min read

How Wonik IPS Turns Deposition Equipment Orders into Revenue

Wonik IPS's core products are deposition and thermal-processing systems that form thin films. This article focuses on the lag between a customer's investment announcement and the order, installation, acceptance, and revenue that follow.

Understanding Wonik QnC's business model · 5 min read

Why Does Wonik QnC's Quartz Business Move with Fab Utilization?

Wonik QnC supplies quartzware and cleaning services used inside semiconductor processes. Actual fab operation and replacement cycles matter more to its results than equipment orders alone.