According to TechFlame, according to the Jin10 report, the Dow Jones Industrial Average fell 0.19%, the S&P 500 index fell 0.15%, and the Nasdaq Composite Index fell 0.14% when the US stock market opened. Pinduoduo (PDD.O) opened down 1.08%. Previously, the company's second-quarter revenue exceeded expectations, and the pre-market stock price once rose by more than 10%. Popular Chinese securities generally rose, with NIO Auto (NIO.N) up 5.46% and Alibaba (BABA.N) up 1.94%.