Wall Street Rises on AI Momentum as Holiday Week Commences; Key Economic Data and Earnings Ahead

The U.S. stock market kicked off a holiday-shortened week with a strong showing on Monday, December 22nd, 2025, as a resurgence in artificial intelligence (AI) related stocks propelled major indexes higher. Investors are navigating a week marked by lighter trading volumes ahead of the Christmas holiday, while closely monitoring crucial economic data and a handful of earnings reports. The overall sentiment remains cautiously optimistic, with many eyeing the potential for a year-end "Santa Claus Rally."Major ...