
US stock market today: S&P 500 rose 0.9% and the Nasdaq gained 1.5% on Wednesday, while the Dow added 108 points, or 0.2%, as traders positioned for Nvidias Q3 earnings. Nvidia jumped over 3% ahead of results expected to show strong AI-chip demand. Investors hoped the report would ease fears of stretched tech valuations after a four-day S&P 500 slide. New data showed the U.S. trade deficit falling 23.8% to $59.6 billion in August as imports dropped 5.1%. TJX rose 3% on earnings, Plug Power sank 20.6%, and the dollar index hit 99.792, its highest level since November.