The U.S. stock market opened with the Dow Jones Industrial Average up 0.19%, the S&P 500 Index up 0.28%, and the Nasdaq up 0.51%. Pinduoduo (PDD.O) opened up 6.3% after the company announced at its annual shareholders' meeting the implementation of a co-chairman system, appointing Zhao Jiazhen as co-chairman alongside Chen Lei, with both serving as co-chairmen and co-CEOs. Oracle (ORCL.N) opened up sharply by 5.3%, and Nvidia (NVDA.O) rose 1.5%.