Semiconductors look relatively cheap against the S&P 500, while their earnings are growing much faster, barring an EPS reset. The selloff looks overdone, though that does not mean it reverses tomorrow. x.com 

Semiconductor stocks have not priced in a record wave of AI chip demand. Taiwan chip exports jumped over 20% in a single month and demand is 30% above three months earlier, the biggest in history, while Korea is also seeing record semiconductor demand, up 30% on mid-2026. A step change in demand comes while semis are still cheaper than before the AI boom. x.com  x.com  x.com  x.com 

AT&S's valuation looks too low relative to some peers given its Intel and AMD revenue exposure; ChatGPT-generated estimates of that exposure may prove too low for FY28. x.com  x.com 

AXT is the upstream chokepoint of the photonics buildout, supplying the indium phosphide substrates every high-speed laser needs amid a massive global shortage. About 600,000-700,000 wafers shipped in 2025 against demand of 1.5-2 million, and AXT holds roughly 36% of a market three firms control. Record revenue rose 164% to $47.6M and gross margin hit 45% from 8.2%; Lumentum prepaid $87M to reserve capacity through 2031. The real risk is China, where slow export permits caused a guidance miss. … Show more

Lam Research's valuation is scary, at 73 times earnings, a PEG ratio of 2.16 and 82 times free cash flow. x.com