Semiconductor stocks: Nvidia, AMD and Intel in focus as Trump’s AI-chip tariff meets a long-weekend pause
The Philadelphia Semiconductor Index rose 1.15% to 7,927.41 Friday, with chip stocks leading early 2026 gains. President Trump imposed a 25% tariff on select Nvidia and AMD AI chips, calling it “phase one.” Washington and Taiwan signed a deal to boost U.S. chip manufacturing, with Taiwanese firms pledging $250 billion in investment. Nvidia shares rose over 2%, while Intel slipped and AMD gained 1.7%.