U.S. stock night trading volatility: Yunji fell 7.74% in night trading, with no significant news but showing volatility. What is causing such market sentiment?

U.S. Stock Night Market Movements Yunji fell 7.74% in the night market, with no significant news recently. Trading is active, and capital flows are evident. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. Stocks with High Trading Volume in the Industry Alibaba fell 2.25% in the night market. Based on recent news, On March 2, Alibaba recorded a large transaction, with the stock price down 4% compared to the previous closing price, and the transaction amount reached 16.414 billion yuan, with a net active sell of 1.634 billion yuan, leading to a drop in stock price. Source: Economic Information Daily On March 3, the U.S. government considered limiting the number of H200 chips purchased by Chinese buyers, affecting the procurement volume of companies like Alibaba, increasing market uncertainty about its future development. Source: Bloomberg On March 3, Lin Junyang, head of the Qianwen model under Alibaba, announced his resignation, which may affect the company's AI strategy and increase market concerns about its technological leadership. Source: Bloomberg. The trend of Chinese concept stocks transferring to the Hong Kong Stock Exchange continues, with increasing regulatory challenges. Amazon fell 0.92% in the night market. Based on recent news, On March 3, Amazon's cloud computing division AWS faced a drone attack in the Middle East, resulting in facility damage and service interruptions. This attack raised the risk of regional cloud service disruptions, affecting the operation of multiple data centers and leading to higher error rates and decreased availability for customers. The company stated that full recovery is expected to be a lengthy process. On March 3, Amazon closed its distribution center operations in Abu Dhabi and suspended delivery services across the region. This move is in response to the increasingly unstable situation in the Middle East, leading to delivery and return delays for customers. On March 2, Amazon announced it would invest 33.7 billion euros by the end of 2035 to strengthen its cloud and data center infrastructure in Spain. This additional investment indicates that the company is actively pushing to expand its capabilities to gain an advantage in the AI race. The unstable situation in the Middle East affects cloud services and logistics. JD.com fell 3.39% in the night market. Based on recent news, On March 2, JD.com launched a virtual idol girl group "Shier Ji" and released its first AI single, attracting market attention. This move showcases JD.com's innovation in the AI field, which may positively impact its brand image and market competitiveness. On March 3, JD.com announced that its delivery business would fully expand to in-store pickup and group buying, targeting a market share of over 30%. This strategic expansion may increase JD.com's competitiveness in the food and beverage market, driving stock price volatility. On March 3, JD.com will announce its fourth-quarter results this Thursday, with the market expecting a significant decline in net profit. Investors are concerned about its delivery business losses and new business strategies. Poor performance expectations may put pressure on the stock price. The competition in the internet industry is intensifying, with increased investment in AI