--- title: "U.S. stock night trading volatility: Arm fell 3.70% in after-hours trading, impacted by the dual blow of acquisition failure and economic data on tech stock performance" type: "News" locale: "en" url: "https://longbridge.com/en/news/286494796.md" description: "Arm fell 3.70% in the after-hours market; Nvidia fell 0.53% in the after-hours market, with a transaction volume of USD 303 million; Micron Technology fell 2.05% in the after-hours market, with a transaction volume of USD 211 million; Intel fell 3.80% in the after-hours market, with a transaction volume of USD 6.633 million" datetime: "2026-05-15T02:06:56.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286494796.md) - [en](https://longbridge.com/en/news/286494796.md) - [zh-HK](https://longbridge.com/zh-HK/news/286494796.md) --- # U.S. stock night trading volatility: Arm fell 3.70% in after-hours trading, impacted by the dual blow of acquisition failure and economic data on tech stock performance **U.S. Stock Night Market Movements** Arm fell 3.70% in the night market. Based on recent news, 1. On May 14, Arm and its parent company SoftBank Group attempted to acquire AI chip company Cerebras Systems but were rejected. Cerebras plans to go public, with a valuation potentially reaching $34 billion, reflecting strong market demand for AI technology, leading to a decline in Arm's stock price. 2. On May 14, global energy markets were turbulent, with Saudi Arabia's crude oil production dropping to 6.316 million barrels per day, the lowest since 1990, causing fuel prices to soar and further increasing the risk of a global economic recession, impacting the overall performance of tech stocks. 3. On May 14, the U.S. Producer Price Index (PPI) for April rose significantly, increasing by 1.4% month-on-month and 6.0% year-on-year, marking the largest increase since 2022. Market expectations for a Federal Reserve interest rate cut quickly cooled, increasing market uncertainty and affecting the performance of tech stocks. Tech stocks are facing market adjustments and internal and external challenges. **Stocks with High Trading Volume in the Industry** Nvidia fell 0.53% in the night market. Based on recent key news: 1. On May 12, Citigroup reported that Nvidia's earnings report window could trigger a repricing of volatility, and the expiration of options could remove market makers' stability hedging flow, constituting volatility risk. Source: Citigroup 2. On May 13, Goldman Sachs maintained a "Buy" rating, believing that Nvidia has a high threshold for outperforming the market during earnings season, with the market focusing on its data center guidance and the impact of AI on its server business. Source: Goldman Sachs 3. On May 14, UBS raised Nvidia's target price to $275, reflecting market confidence in its performance exceeding expectations. Source: UBS Group. The semiconductor industry's demand is expected to strengthen long-term, attracting investor attention. Micron Technology fell 2.05% in the night market. Based on recent key news: 1. On May 13, Micron's stock price rebounded during an AI storage sector stress test, with Samsung's strike risk supporting market positioning at lower levels. After Micron's market value evaporated by about $100 billion, bottom-fishing funds entered the market, reversing the stock price, indicating that the logic of chip scarcity remains attractive. Source: Zhitong Finance 2. On May 12, Micron announced a new product, the 256GB DDR5 server module, showing growth potential in AI memory demand. This product improves speed by 40% and enhances energy efficiency, meeting the needs of AI data centers. Source: Wall Street Insight 3. On May 12, labor disputes at Samsung could lead to a strike, affecting global memory supply, benefiting Micron. A Samsung strike could reduce global memory output by 3%, exacerbating supply-demand tensions. Source: Jinshi Data. AI drives memory demand, increasing market volatility. Intel fell 3.80% in the night market. Based on recent key news: 1. On May 12, Intel's stock price soared 214% over six weeks, with a market value increase of over $440 billion, despite short sellers losing $12 billion, and doubts about its future correction still exist Source: Zhitong Finance 2. On May 12, Intel's first-quarter performance exceeded expectations, with revenue reaching $13.58 billion, a year-on-year increase of 7.4%, and analysts collectively raised their target prices. Source: Wall Street Insight 3. On May 12, the semiconductor sector experienced a significant decline, with Intel falling 8%, influenced by the drop in the Nasdaq index. Source: Anhui Traffic Radio The semiconductor sector has recently seen increased volatility and requires attention ### Related Stocks - [ARM.US](https://longbridge.com/en/quote/ARM.US.md) - [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [INTC.US](https://longbridge.com/en/quote/INTC.US.md) ## Related News & Research - [When Arm Meets RISC-V: SiPearl, Semidynamics to Co-Develop Sovereign AI Platform](https://longbridge.com/en/news/287056834.md) - [Bernstein explains why it isn't too late to invest in Arm stock](https://longbridge.com/en/news/287099811.md) - [Why Arm Holdings stock surged to an all-time high today](https://longbridge.com/en/news/287128528.md) - [Arm's stock could rise another 45% as the 'renaissance of CPUs' takes hold, analyst says](https://longbridge.com/en/news/286794162.md) - [Arm Holdings Tech Rally Takes Breather As Investors Weigh Supply Chain Risks](https://longbridge.com/en/news/286433450.md)