--- title: "U.S. stock night trading volatility: Sumitomo Mitsui Financial fell 3.18% in night trading, with earnings reports exceeding expectations but market concerns arising from AI risks" type: "News" locale: "en" url: "https://longbridge.com/en/news/286365392.md" description: "Sumitomo Mitsui Financial fell 3.18% in the night session; JP Morgan rose 0.25% in the night session, with a transaction volume of USD 320,800; Bank of America rose 0.20% in the night session, with a transaction volume of USD 263,000; NU Holdings rose 0.86% in the night session, with a transaction volume of USD 215,900" datetime: "2026-05-14T06:01:50.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286365392.md) - [en](https://longbridge.com/en/news/286365392.md) - [zh-HK](https://longbridge.com/zh-HK/news/286365392.md) --- # U.S. stock night trading volatility: Sumitomo Mitsui Financial fell 3.18% in night trading, with earnings reports exceeding expectations but market concerns arising from AI risks **U.S. Stock Night Market Movements** Sumitomo Mitsui Financial fell 3.18% in the night market. Based on recent key news: 1. On May 13, Sumitomo Mitsui Financial Group released its financial report, showing a 350% year-on-year surge in net profit for the fourth fiscal quarter, but market expectations were lower than actual performance, leading to stock price fluctuations. The report indicated a net profit of 188.2 billion yen, while market expectations were 22.691 billion yen. Source: Zhitong Finance 2. On May 13, Japan's three major banks are expected to be authorized within two weeks to use the AI model Mythos developed by Anthropic, raising concerns about cybersecurity risks. The Japanese government announced the establishment of a joint working group to address these risks. Source: Wall Street Insight 3. On May 13, global regulators expressed concerns about the cybersecurity risks of the Mythos model, which could impact the stability of the banking industry. The Financial Services Agency of Japan plans to hold a joint working group meeting to strengthen cybersecurity measures. Source: Jinshi Data Global AI technology advancements raise concerns about financial risks. **Stocks with High Trading Volume in the Industry** JP Morgan rose 0.25% in the night market. Based on recent key news: 1. On May 13, JP Morgan released a report indicating that market sentiment is experiencing significant fluctuations, with rising panic among investors. JP Morgan traders advised clients to remain calm and avoid panic selling. This sentiment fluctuation affected the rise in stock prices. 2. On May 12, JP Morgan's prime brokerage business balance reached a record high, with clients actively trading and increasing risk exposure. This move reflects market optimism regarding U.S. corporate earnings, driving stock prices up. 3. On May 12, JP Morgan plans to make adjustments to its investment banking leadership, with a restructuring plan to be announced on Wednesday. This move may enhance market confidence in JP Morgan's future development, promoting stock price increases. Market sentiment is fluctuating, and geopolitical risks are intensifying. Bank of America rose 0.20% in the night market. Based on recent key news: 1. On May 12, Bank of America and Goldman Sachs delayed expectations for a Federal Reserve rate cut, reflecting rising market expectations for a high-interest-rate environment. Middle Eastern conflicts have driven up oil prices, exacerbating inflation risks, leading the Federal Reserve to maintain interest rates. Source: Reuters 2. On May 11, Bank of America Securities' Indian subsidiary reached a settlement with SEBI, paying 5.9 million rupees related to insider trading allegations. This incident did not have a direct impact on stock prices but may affect market confidence. Source: Securities and Exchange Board of India 3. On May 12, market attention to U.S. inflation data increased, with oil price fluctuations potentially affecting the inflation trajectory by year-end. Morgan Stanley pointed out that the inflation report will have a significant impact on the market. Source: Morgan Stanley Middle Eastern conflicts drive up oil prices, exacerbating inflation risks. NU Holdings rose 0.86% in the night market. Based on recent news: 1. On May 12, analysts set a target price of $29.11 for NU Holdings. Analysts noted that despite the low stock price, there are specific risks, including a decline in food volume, Brazil's macroeconomic conditions, and pharmaceutical pricing reforms, which may affect stock performance 2. On May 11, the market expressed optimism about the AI investment prospects of NU Holdings. NU Holdings was included among the top ten AI stocks recommended by analysts for 2025, boosting investor confidence and driving up the stock price. 3. On May 10, NU Holdings released its latest financial report, showing that its quarterly performance exceeded market expectations. The company's reported revenue and net profit were both higher than analysts' forecasts, further enhancing market confidence in its future growth. 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