[U.S. Stock Market Opens Higher] March 25, Jin10 News – At the opening of the U.S. stock market, the Dow Jones Industrial Average rose 1%, the S&P 500 Index gained 0.89%, and the Nasdaq Composite Index increased by 1%. Pinduoduo (PDD.O) rose 2% as its Q4 2025 revenue exceeded expectations. Amazon (AMZN.O) climbed 2.5% after the company acquired robotics startup Fauna Robotics. Arm (ARM.O) surged over 11% as the company announced it will begin selling its own chips for the first time and expects this business to generate approximately $15 billion in annual revenue within five years.