--- title: "U.S. stock night trading volatility: Micron Tech rose 3.02% in night trading, boosted by Samsung's strike and analysts raising target prices, helping the stock rebound" type: "News" locale: "en" url: "https://longbridge.com/en/news/287152066.md" description: "Micron Tech rose 3.02% in after-hours trading; NVIDIA fell 1.08% in after-hours trading, with a transaction volume of USD 142 million; Intel fell 0.22% in after-hours trading, with a transaction volume of USD 49.63 million; AMD fell 0.42% in after-hours trading, with a transaction volume of USD 34.49 million" datetime: "2026-05-21T03:32:03.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/287152066.md) - [en](https://longbridge.com/en/news/287152066.md) - [zh-HK](https://longbridge.com/zh-HK/news/287152066.md) --- # U.S. stock night trading volatility: Micron Tech rose 3.02% in night trading, boosted by Samsung's strike and analysts raising target prices, helping the stock rebound **U.S. Stock Night Market Movements** Micron Technology rose 3.02% in the night market. Based on recent key news: 1. On May 21, the Samsung Electronics union planned to strike, which could exacerbate the supply-demand gap in the memory market, driving Micron Technology's stock price up by 4.8%. Source: Zhitong Finance 2. On May 20, Micron Technology's stock price rose 4.76% due to a 4.5% increase in the Philadelphia Semiconductor Index, ending a three-day decline. Source: Wall Street Insight 3. On May 20, Mizuho and Melius Research raised Micron Technology's target price, reflecting the market's optimistic expectations for its financial outlook. Source: Gelonghui Technology stocks rebounded, improving market sentiment. **Stocks with High Trading Volume in the Industry** NVIDIA fell 1.08% in the night market. Based on recent key news: 1. On May 20, NVIDIA released its Q1 FY2027 earnings report, with revenue and data center business income exceeding expectations, but failing to impress the market, leading to a post-market drop of about 3%. The company announced an $80 billion stock buyback plan and increased its quarterly dividend to $0.25 per share, which did not fully boost market confidence. 2. On May 19, there was strong bullish sentiment in the market, with four large options trades reflecting that some professional investors remain optimistic about NVIDIA's earnings performance, willing to bet on a rebound in stock price due to better-than-expected results. 3. On May 18, Goldman Sachs warned of extreme overbought conditions in technical terms, with the Philadelphia Semiconductor Index being about 60% above its 200-day moving average, a deviation not seen since the peak of the internet bubble from 1999 to 2000, increasing cautious sentiment in the market. The market expects NVIDIA's Q1 earnings per share to be around $1.70 to $1.76, with revenue in the range of $70 to $79 billion. Intel fell 0.22% in the night market. Based on recent news: 1. On May 19, Intel's stock price fell for five consecutive days after reaching a historical high last week, but analysts remain optimistic about its future growth, raising the target price to $130. The development of AI is driving demand for CPUs, and the market remains optimistic about its long-term potential. Source: MoneyDJ News 2. On May 20, Intel's stock price rebounded by 7.4%, with increased market confidence in its future growth, and analysts generally optimistic that the AI market will boost CPU demand. Source: Yushan.AI 3. On May 18, the Trump administration's holdings in Intel exceeded $50 billion, with government support having a positive impact on its stock price. Source: Fortune Magazine Technology stocks rebounded, improving market sentiment. AMD fell 0.42% in the night market. Based on recent key news: 1. On May 19, Citigroup raised AMD's target price from $358 to $460, mainly driven by updates to data center business forecasts. Analysts noted that AMD won Anthropic as a customer for its MI450 AI accelerator, with an official announcement expected at an event in July 2. On May 19th, chip stocks collectively fell, with AMD and Micron Tech dropping over 1.50%. The market is concerned about the short-term volatility of semiconductor stocks, although the long-term trend for artificial intelligence remains strong. 3. On May 18th, AMD's Chief Technology Officer sold 6,000 shares, which may raise questions about internal confidence in the company. The semiconductor industry faces short-term volatility risks ### Related Stocks - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md) - [INTC.US](https://longbridge.com/en/quote/INTC.US.md) - [AMD.US](https://longbridge.com/en/quote/AMD.US.md) ## Related News & Research - [Micron's stock gets a boost. 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