US Stock Market Today After Hours: Why the Dow Reclaimed 50,000 as AI Stocks Drove Wall Street Higher
The Dow closed above 50,000 for the first time Thursday, rising 370 points as AI-driven gains lifted U.S. stocks to record highs. Cisco surged after raising its revenue outlook and announcing $9 billion in AI infrastructure orders, while Nvidia jumped 4.4% on U.S. approval to sell chips to China. Cerebras Systems soared 68% in its market debut. Not all chipmakers advanced, with Qualcomm, Intel, Sandisk, and Micron falling sharply.