The three major U.S. stock indices opened higher, with the Dow Jones up 1% and Arm rising over 11%

According to Gate market data, U.S. stocks opened with the Dow Jones up 1%, the S&P 500 index up 0.89%, and the Nasdaq up 1%. Pinduoduo (PDD.O) rose 2%, with expected revenue exceeding expectations in Q4 2025. Amazon (AMZN.O) rose 2.5%, as the company has acquired the robotics startup Fauna Robotics. Arm (ARM.O) rose over 11%, with its chip sales business expected to generate approximately $15 billion in revenue annually within five years.