US Stock Market Outlook (Dec. 21, 2025): S&P 500 Eyes a Santa Rally as Fed Signals, AI Jitters, and GDP Data Shape Year-End Trading
NEW YORK — The U.S. stock market heads into the final holiday-shortened stretch of 2025 with investors balancing two competing realities: a strong year for major indexes, and a choppier, more skeptical tone beneath the surface as Wall Street debates