--- title: "U.S. stock night market volatility: Alibaba rises 3% in after-hours trading: Chengyi plans and strong growth in cloud business boost market confidence" type: "News" locale: "en" url: "https://longbridge.com/en/news/286838550.md" description: "Alibaba rose 3.00% in the night session; Amazon fell 0.36% in the night session, with a transaction volume of USD 1.58 million; Pinduoduo rose 0.77% in the night session, with a transaction volume of USD 414,700; JD.com rose 1.77% in the night session, with a transaction volume of USD 201,400" datetime: "2026-05-19T01:36:49.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286838550.md) - [en](https://longbridge.com/en/news/286838550.md) - [zh-HK](https://longbridge.com/zh-HK/news/286838550.md) --- # U.S. stock night market volatility: Alibaba rises 3% in after-hours trading: Chengyi plans and strong growth in cloud business boost market confidence **U.S. Stock Market Night Trading Movements** Alibaba rose 3.00% in night trading. Based on recent key news: 1. On May 18, Alibaba announced the launch of the Orange Plan 2.0, further increasing investment to enhance the career protection and growth development system for riders, driving a 57% year-on-year increase in instant retail revenue. This move demonstrates the company's strong growth potential in logistics and retail, leading to a rise in stock price. 2. On May 18, Alibaba released its financial report, showing a 38% year-on-year increase in cloud business revenue and a 40% increase in revenue from external customers. China International Capital Corporation maintained an "outperform industry" rating with a target price of HKD 172, boosting market confidence and driving up the stock price. 3. On May 16, Third Point LLC liquidated its shares in Alibaba Group; however, the market remains optimistic about Alibaba's long-term growth potential, and the stock price was not significantly affected. The integration of AI and consumer ecosystems is driving growth. **Stocks with High Trading Volume in the Industry** Amazon fell 0.36% in night trading. Based on recent key news: 1. On May 18, Amazon was included in Jefferies' "preferred stocks" list due to its AWS business's AI partnerships boosting long-term revenue visibility. This move reflects market confidence in Amazon's AI business, leading to stock price fluctuations. 2. On May 16, Amazon faced a lawsuit from consumers seeking refunds for costs passed on due to illegal tariffs. This lawsuit could negatively impact Amazon's financial situation, triggering stock price fluctuations. 3. On May 16, Berkshire Hathaway completely liquidated its shares in Amazon, indicating a decrease in investor confidence in Amazon, putting pressure on the stock price. Tech stocks have recently experienced increased volatility due to the AI investment boom. Pinduoduo rose 0.77% in night trading, with a trading volume of USD 414,700, and there has been no significant news recently. Trading is active, with clear capital flow; considering sector and industry trends, this stock shows significant volatility, and the specific reasons need further observation. JD.com rose 1.77% in night trading. Based on recent news: 1. On May 18, JD.com announced that this year's 618 shopping festival will fully integrate AI technology, with R&D investment increasing by over 200%. This news enhances market confidence in JD.com's technological innovation, driving up the stock price. Source: Guandian.com 2. On May 18, JD.com signed a strategic cooperation agreement with Mastercard aimed at promoting the construction of global payment infrastructure. This cooperation is expected to enhance JD.com's international business development and strengthen market expectations for its future growth. Source: Economic Information Daily 3. On May 18, S&P Global Ratings pointed out that JD.com may face challenges in growth momentum in the future, especially with intensified competition in the food delivery industry. Nevertheless, JD.com's expanding user base and increased shopping frequency continue to support its performance. 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