Nasdaq Jumps 2.3% to Record Close as AI Stocks Surge, Oil and Treasury Yields Retreat

U.S. stocks rallied Monday, September 21, 2026, with the Nasdaq Composite climbing 599.55 points, or 2.26%, to a record close of 27,122.09, as falling oil prices and Treasury yields powered a rebound from last week's declines. The Philadelphia Semiconductor Index surged 4.29% to 12,433.17. Intel (INTC) soared 12%, AMD (AMD) jumped 9.95% to $615.52 — pushing its market capitalization past $1 trillion for the first time — and Qualcomm (QCOM) rose 9.29%. Meta (META) gained 11.43% after Wells Fargo raised its price target following the launch of the company's Muse AI assistant. U.S. crude plunged 4.5% to $95.78 a barrel and Brent fell 3.4% to $100.34 after Houthi attacks on Saudi Arabia and U.S. warnings on Middle East travel. The 10-year Treasury yield dropped more than 4 basis points to 4.951%. The Dow rose 0.71% to 52,048.83, and the S&P 500 added 1.49% to 7,764.70. Bitcoin climbed over 6% to a seven-month high.