--- title: "U.S. stock night trading fluctuations: Marvell Tech rose 3.13% in night trading, Amazon's increased holdings and Nvidia's investment boosted market confidence" type: "News" locale: "en" url: "https://longbridge.com/en/news/287022702.md" description: "Marvell Tech rose 3.13% in the after-hours market; Micron Technology rose 3.10%, with a transaction volume of USD 373 million; NVIDIA rose 1.21%, with a transaction volume of USD 129 million; Intel rose 2.41%, with a transaction volume of USD 107 million" datetime: "2026-05-20T07:22:00.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/287022702.md) - [en](https://longbridge.com/en/news/287022702.md) - [zh-HK](https://longbridge.com/zh-HK/news/287022702.md) --- # U.S. stock night trading fluctuations: Marvell Tech rose 3.13% in night trading, Amazon's increased holdings and Nvidia's investment boosted market confidence **U.S. Stock Night Market Movements** Marvell Technology rose 3.13% in the night market. Based on recent key news: 1. On May 19, Amazon increased its investment in Marvell Technology by purchasing 170,924 shares, demonstrating confidence in its AI infrastructure, which drove the stock price up. 2. On May 18, Marvell Technology's stock price has risen 109% year-to-date, as the market gradually recognizes its importance in AI infrastructure, further boosting the stock price. 3. On May 17, Marvell Technology reached a $2 billion investment agreement with NVIDIA, enhancing investor confidence and leading to a continuous rise in stock price. The demand for AI chips is strong, and the industry outlook is optimistic. **Stocks with High Trading Volume in the Industry** Micron Technology rose 3.10% in the night market. Based on recent key news: 1. On May 20, Mizuho and Melius Research raised their target prices for Micron Technology, driving the stock price up. Mizuho raised its target price to $800, while Melius Research raised it to $1,100, both maintaining positive ratings, reflecting the market's optimistic expectations for Micron's future profitability. 2. On May 19, Citigroup significantly raised Micron's target price to $840, anticipating that DRAM prices will continue to rise. Citigroup believes Micron's strong position in the DRAM market will drive its stock price further up. 3. On May 17, Micron Technology emphasized the importance of the Chinese market, stating it will continue to deepen cooperation with local customers to promote storage technology innovation. This statement enhanced investor confidence in Micron's position in the Chinese market. Technology stocks are affected by rising interest rates, leading to increased volatility. NVIDIA rose 1.21% in the night market. Based on recent key news: 1. On May 20, NVIDIA announced a $2 billion investment in Silicon Valley chip manufacturer Marvell to strengthen network technology and connect its AI chips to larger data centers. This move is expected to enhance data transmission rates, solidifying NVIDIA's position in the AI data center market and driving the stock price up. Source: Zhitong Finance 2. On May 20, NVIDIA will release its Q1 FY2027 financial report after the market closes. Options market data shows that traders expect a market cap fluctuation of about $350 billion, with implied volatility rising to 53%, indicating that the market is paying a significant premium for uncertainty surrounding the earnings report. Source: Wall Street Insights 3. On May 19, the global bond market sell-off continued, with the benchmark 10-year U.S. Treasury yield rising to 4.687%, a 16-month high. The market is concerned that a resurgence of inflation may trigger interest rate hikes, potentially impacting stock market valuations and causing selling pressure in U.S. stocks. Source: MarketWatch. The market expects NVIDIA's earnings report to become a benchmark for the AI sector and technology stocks. Intel rose 2.41% in the night market. Based on recent news, 1. On May 18, U.S. President Trump stated in an interview with Fortune magazine that he should have demanded a larger stake in Intel. This remark attracted market attention and drove Intel's stock price up. Source: Zhitong Finance 2. On May 18, Citigroup raised Intel's target stock price from $95 to $130, with analysts optimistic about Intel's future market performance. Source: Jinshi Data 3. On May 19, Intel CEO Pat Gelsinger stated that the rise of agent-based AI has driven explosive growth in CPU demand, further boosting market confidence in Intel. 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