Semiconductor stocks: Nvidia, AMD and Intel in focus as Trump’s AI-chip tariff meets a long-weekend pause
New York, Jan 18, 2026, 12:36 PM EST — Market closed. U.S. semiconductor shares head into the new week following a 1.15% gain in the Philadelphia Semiconductor Index (.SOX) on Friday, closing at 7,927.41. That late-week uptick managed to stick through the long weekend. (Nasdaq Global Index Watch) Chip stocks have driven gains so far in 2026, boosted by a…