Semiconductor Stocks Sink as Oracle Revives AI Bubble Fears — Nvidia, AMD, Micron in the Spotlight on December 11, 2025
U.S. chip stocks fell sharply Thursday, with the Philadelphia Semiconductor Index down about 2% by midday as Nvidia, AMD, Micron, and Broadcom dropped 3–4%. Oracle shares plunged up to 15% after missing revenue estimates and announcing a $15 billion increase in AI-related capital spending, fueling renewed concerns over an AI investment bubble. The Nasdaq slipped 1%, while the Dow hit a record high.