US Stock Market Today (Dec. 22, 2025, 5:00 p.m. ET): S&P 500 Near Record as AI Stocks Lead Holiday-Week Rally
At 5:00 p.m. ET on Monday, December 22, 2025, the U.S. stock market ended the first session of the holiday-shortened week solidly higher, with technology and AI-linked names extending last week’s rebound and pushing the major benchmarks closer to record territory. Trading was noticeably lighter than usual heading into Christmas, but breadth was strong and volatility eased further—two classic ingredients…