US stock market today shows a sharp split. The Dow Jones rose 174 points to 49,656. The Nasdaq fell 146 points. The S&P 500 slipped 0.28%. This market divergence followed Nvidia stock dropping over 2% despite strong earnings. Investors questioned AI growth sustainability and China revenue exposure. The AI trade now faces valuation pressure. Tech stocks reacted fast. Defensive Dow components held firm. Jobless claims came at 212,000, signaling a cooling labor market. Traders await inflation data for Federal Reserve rate cut clues. The US stock market today reflects sector rotation, AI uncertainty, and shifting investor risk appetite.