Semiconductor Stocks Rally as AI Demand Lifts POWI, HIMX, PENG, KLAC and AMD

Semiconductor stocks rose on May 13, 2026, as investors responded to stronger AI infrastructure demand and forecasts for global chip sales to exceed $1 trillion in 2026. The rally followed signs of accelerating sector revenue. ChipMOS reported April revenue rose 32.2% from a year earlier, citing continued AI-related supply constraints. Advanced Semiconductor Engineering also is working on new manufacturing capacity aimed at high-performance computing chips used in AI data centers. Penguin Solutions was among the notable movers. Its shares recently traded at $44.19, a 52-week high, and are up 118% year to date. The move followed an earlier sector boost from Advanced Micro Devices, which reported a 38% year-over-year revenue increase and a 57% jump in data center revenue to $5.8 billion, reinforcing expectations that AI-related capital spending is benefiting chip suppliers broadly.