Semiconductor Stocks Today (Dec. 12, 2025): Broadcom Slides Premarket on Margin Outlook as Oracle’s AI Capex Shock Keeps Chip Stocks Volatile
Updated for premarket trading at ~6:00 a.m. ET on Friday, December 12, 2025. Semiconductor stocks are heading into the U.S. open with investors balancing two powerful—and competing—forces: continued blockbuster AI infrastructure demand and fresh anxiety that the spending boom is getting too expensive to sustain. The biggest chip-stock catalyst this morning is Broadcom (AVGO), which is trading lower in premarket despite upbeat revenue guidance, after management highlighted gross-margin pressure tied to the fast-growing AI segment. At the same time, Oracle’s post-earnings selloff has sparked another round of “AI bubble” debates that are rippling through high-multiple chip leaders and the broader