The Intel logo is displayed on a sign in front of Intel headquarters on Jan. 22, 2026 in Santa Clara, California. Justin Sullivan | Getty ImagesIntel shares soared 24% on Friday, their best performance since October 1987, as investors cheered signs of renewed growth due to mounting artificial intelligence demand.The stock closed at $82.57 and is now up 124% this year after jumping 84% in 2025. Friday's rally topped a 23% gain for the stock on Sept. 18, when Nvidia agreed to invest $5 billion in ...