AI Rally Fuels Tech Dominance: The Nasdaq Composite surged 2.26% to a new record close on Monday, led by a 12.1% jump in Meta Platforms (META) on enthusiasm for its new Muse AI agent and an 11.4% rally in AMD (AMD), which hit a $1 trillion market cap.
S&P 500 Flirts with Record: The S&P 500 gained 1.49%, its best day in seven weeks, leaving the index just 0.44% below its all-time high and back in positive territory for September.
