Taiwan Semiconductor Manufacturing Co. delivered its sixth straight quarter of record earnings on Oct. 15, with revenue and net profit jumping 50 percent and 69 percent respectively. The stock slipped anyway, and has shed 7 percent over the past month. The market is pricing something other than the headline numbers.
The AI engine is still accelerating
TSMC makes the most advanced chips for Nvidia, AMD and Broadcom, and the AI build-out is now the dominant revenue driver. High-performance computing chips accounted for 68 percent of third-quarter sales, and that segment grew 22 percent sequentially, a clear step-up from the pace of earlier quarters. The 3nm node, which produces Nvidia's Vera Rubin platform, contributed a third of total revenue, while the newest 2nm process already chipped in 8 percent. Management lifted full-year revenue guidance to 44 percent growth in dollar terms, the third upgrade of 2026, and left the capital-expenditure target unchanged at $60 billion to $64 billion.
Margins dipped as 2nm ramps
Gross margin came in at 66.4 percent, squarely inside the company's 65 percent to 67 percent guide and well above the 59.5 percent posted a year ago. Yet it contracted sequentially from 67.7 percent in the second quarter. The drop was flagged in advance, TSMC is ramping 2nm volume and bringing overseas fabs online, but with capex already running 47 percent to 56 percent above 2025 levels, the sequential compression reminded investors that the cost of staying ahead is rising faster than the pricing power.
The stock had already priced the good news
Shares were up 39 percent year-to-date before the report, so a beat-and-raise quarter struggled to find incremental buyers. At the same time, the macro backdrop is shifting: higher rates and the risk that hyperscalers such as Amazon and Microsoft throttle AI capex could cool the HPC demand that has powered TSMC's recent surge. The market is not questioning the franchise; it is questioning the durability of the current growth rate at the current multiple.
The long-horizon math still works
Analysts project revenue and earnings-per-share compound annual growth rates of 36 percent and 42 percent from 2025 through 2028. The stock trades at roughly 16 times next year's estimated earnings. For an investor measuring in years rather than quarters, the arithmetic remains compelling, provided the AI capital cycle does not inflect sooner than the consensus expects.