US Stock Market Today (Dec. 23, 2025, 5:02 p.m. ET): S&P 500 Closes at New Record as GDP Surprise Powers AI and Mega-Cap Tech
NEW YORK — Dec. 23, 2025 (5:02 p.m. ET) — Wall Street’s year-end grind delivered another milestone Tuesday: the S&P 500 closed at a fresh record, lifted by a rebound in growth and AI-linked mega caps after stronger-than-expected U.S. GDP