US Stock Market Today: S&P 500, Nasdaq Hit Records as After-Hours Trading Edges Higher
The S&P 500 and Nasdaq closed at record highs Monday, while the Dow slipped 62.67 points to 49,168.04. After-hours, major U.S. indexes edged up less than 0.2%. Nvidia jumped 4% to a new high, topping $5 trillion in value, while Domino’s Pizza fell after forecasting weaker 2026 growth. Investors await Big Tech earnings and a Federal Reserve decision this week.