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How the semiconductor cycle works
Chips are components in products and systems sold into markets such as computing, data centers, industrial equipment, cars and communications. A change in demand for those end products can flow through to chip orders, but not instantly: customers may first use chips already in stock, and suppliers may take time to adjust production.
Demand and orders can diverge
A customer can reduce new orders while it works through existing inventory, even if sales of the customer’s finished products have not collapsed. Once inventory levels normalize, orders can recover. In its finalized 2025 results, the World Semiconductor Trade Statistics organization (WSTS) said industrial semiconductor sales grew 5% and suggested that earlier inventory corrections and weaker capital-expenditure conditions were gradually easing. That is evidence of a segment recovering from prior pressure, not a rule that every market follows the same timetable. WSTS, March 6, 2026
Capacity is slow and expensive to adjust
Building fabs and adding equipment require substantial investment and time. If demand outpaces available capacity, utilization can rise and supply can become tight. If capacity ordered during a boom comes online after demand has weakened, factories may be underused and suppliers may face price erosion, inventory write-offs or losses. STMicroelectronics describes both excess-capacity and shortage risks in its 2025 Form 20-F, noting that volatility makes future capacity needs difficult to predict. STMicroelectronics 2025 Form 20-F
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Prices and margins amplify the earnings swing
In some segments, notably memory, selling prices can shift considerably as supply and demand change. ASML’s 2025 annual report described memory prices at the end of 2025 as reaching levels not seen in at least a decade, amid AI demand and moderate capacity additions after the 2023 memory-market correction. This is ASML’s account, not an independent price index. ASML 2025 Annual Report
Because manufacturing costs and investment commitments do not necessarily fall as quickly as orders, a modest sales slowdown can have a larger effect on profits. Conversely, when production is full and demand is strong, additional sales may support margins. The exact effect depends on a company’s products, cost structure and position in the supply chain.
Why stock prices can move before reported results
A share price reflects investors’ expectations about future earnings, risks and valuation, rather than simply the latest industry sales total. A stock may fall even while sales are rising if investors anticipate weaker growth or margins. It may rise before reported results recover if investors expect orders or pricing to improve. The industry figures and company reports cited here do not establish a fixed lead time, a numerical stock-return correlation with the business cycle, or a reliable signal for when a particular stock will turn.
That distinction matters because three different measures are often conflated:
- Industry sales measure revenue across the semiconductor market.
- Company results reflect one supplier’s product mix, customers, costs and execution.
- Stock prices incorporate expectations and valuation as well as current results.
Why the current market picture varies by segment
Industry growth can be strong overall while individual chip categories face very different conditions. WSTS reported finalized global semiconductor sales of $795.6 billion for 2025, up 26.2% year over year, with growth led by logic and memory and supported by data-center and AI-related demand. The total does not mean every company or stock benefited equally. WSTS, March 6, 2026
ASML distinguishes logic, including processors such as CPUs and GPUs, from memory. Its 2025 annual report described AI demand supporting advanced logic and DRAM, while capacity additions after the 2023 memory correction had been moderate. This helps explain how one strong demand source can tighten some parts of the market without lifting every product category in the same way. ASML 2025 Annual Report
Company exposures also differ. TSMC reported that its net revenue grew 32% in 2025 in New Taiwan dollar terms, and management expected AI-related demand to remain robust entering 2026 while macroeconomic uncertainties persisted. That is TSMC’s company-specific result and outlook, not a forecast for the entire industry. TSMC 2025 Annual Report
How to compare semiconductor companies through a cycle
Rather than treating “chip stocks” as one trade, compare the operating factors that determine how each company may experience a downturn or recovery. These are analytical questions, not a ranking or investment recommendation.
- Products and end markets: How much business comes from AI and data centers versus industrial, automotive, consumer or communications markets? Is the company exposed to logic, memory, leading-edge products or mature-node chips?
- Position in the value chain: Is it a chip designer, integrated manufacturer, contract foundry, memory supplier or equipment vendor? Their revenue drivers and exposure to fab capacity differ.
- Inventory and orders: What do the company’s disclosures say about customer or distributor inventory, order trends, cancellations and normalization?
- Capacity and investment: Are utilization, fab additions, equipment orders or capital spending changing? Could new supply arrive after demand has cooled?
- Pricing and margins: Are selling prices strengthening or weakening? How do scarcity, product mix and underused capacity affect margins?
- Concentration and valuation: How dependent is the company on a few customers, product families, regions or policy-sensitive supply chains—and how much recovery may already be reflected in its share price?
How to read recent market figures and forecasts
Use the date and status of a figure, not just its headline number. WSTS’s finalized 2025 total is the most appropriate single full-year figure here. SIA’s earlier release on February 6, 2026, reported $791.7 billion in 2025 sales, up 25.6%; WSTS later reported $795.6 billion and 26.2% in finalized results. These are figures from separate releases issued at different dates, not interchangeable versions of a single current forecast. SIA, February 6, 2026 · WSTS, March 6, 2026
WSTS’s August 2026 update calculated a 2026 full-year market figure of $1,655 billion using actual second-quarter data while retaining its original June forecast assumptions for the third quarter and beyond. WSTS explicitly said the update’s figures “are not new forecast values generated by WSTS under a revised scenario.” The $1,655 billion figure is therefore a forecast calculation, not a realized full-year result or a newly generated scenario. WSTS, August 2026
That distinction is especially important when using fast-moving AI demand to interpret the cycle: a forecast or a strong industry headline cannot establish that every segment, company or stock will share the same outcome.
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