U.S. stock night trading fluctuations: PDD rose 3.24% in night trading, new management's strategic adjustments boost investor confidence

U.S. Stock Night Market Movements PDD rose 3.24% in the night market. Based on recent news, On December 17, PDD fired a government relations team in Shanghai due to a physical altercation between employees and personnel from Chinese regulatory agencies. This incident triggered further scrutiny from the government on PDD, leading to reduced market concerns about the company's prospects and a rebound in stock prices. On December 19, PDD Group held its annual shareholder meeting, announcing the implementation of a co-chairman system, appointing Zhao Jiazhen as co-chairman, alongside Chen Lei as co-CEO. The strategic adjustments of the new management and emphasis on the Chinese supply chain boosted investor confidence, driving up stock prices. On December 16, PDD's Q3 2025 financial report showed a slowdown in revenue growth, but the company plans to invest a resource package of 100 billion yuan over the next three years to assist small and medium-sized businesses in their transformation. The long-term investment plan was interpreted by the market as a positive signal, uplifting stock prices. The market is watching the Federal Reserve's interest rate decision, with noticeable capital inflow. Stocks with High Trading Volume in the Industry Alibaba rose 1.70% in the night market. Based on recent news, On December 16, Alibaba recorded several large transactions on the Hong Kong Stock Exchange, with a transaction amount exceeding HKD 200 million, indicating strong market interest in the stock, driving up prices. On December 17, Alibaba reduced its stake in Red Star Macalline by approximately HKD 15.9501 million. Although such actions are typically viewed as negative signals, the market remains optimistic about Alibaba's overall prospects, and stock prices continued to rise. On December 19, Alibaba recorded a non-automatic matching transaction of 525,000 shares, with the transaction price rising 1.3% compared to the previous day, further boosting market confidence and driving up stock prices. The market remains optimistic about Alibaba's cloud computing and AI business prospects. Amazon rose 0.54% in the night market. Based on recent key news: On December 18, Amazon negotiated to invest over USD 10 billion in OpenAI and provide Trainium chips and AWS computing resources, which could push OpenAI's valuation beyond USD 500 billion and expand Amazon's presence in the generative AI field. This news drove Amazon's stock price up by 3%. Source: Reuters On December 17, Amazon's cooperation negotiations with OpenAI involve using Amazon's AI chip Trainium, which may bring new customers to Amazon's chip business. This news drove Amazon's stock price up by 0.8%. Source: Bloomberg On December 16, Amazon announced the layoff of 370 employees, reflecting business demand and local strategic adjustments. This news had a limited impact on stock prices. Source: Bloomberg. Competition in the generative AI field is intensifying, with significant capital inflow. JD.com fell 0.10% in the night market. Based on recent news, On December 17th, the State Administration for Market Regulation organized a national quality supervision spot check on products such as mobile power supplies. Some of the products sampled on the JD platform were found to be substandard, affecting market confidence and leading to a decline in stock prices. On December 16th, JD signed a new round of strategic cooperation framework agreement with Nantong City. Although the cooperation prospects are promising, the market reaction was tepid, failing to boost stock prices. On December 16th, the Hang Seng Tech Index saw an increased decline, with JD and other tech stocks generally falling. Influenced by the overall market sentiment, JD's stock price dropped significantly due to the impact of the State Administration for Market Regulation's spot check results