Semiconductor Stocks Today: Nvidia Rebounds, Micron and Chip Equipment Rally, While Broadcom and Arm Lag on Fresh Analyst Calls (Dec. 15, 2025)
Nvidia and Micron led gains among U.S.-listed semiconductor stocks by 11:30 a.m. ET Monday, while Broadcom and Arm fell after downgrades. Semiconductor equipment makers surged on strong demand forecasts for 2026–2027. The Philadelphia Semiconductor Index hovered in the low-7,000s after last week’s sharp drop. Semiconductor ETFs edged higher, signaling stabilization rather than a full rebound.