--- title: "U.S. stock night market fluctuations: Marvell Tech rose 8.70% in night trading, with a $250 million investment from India boosting confidence" type: "News" locale: "en" url: "https://longbridge.com/en/news/294434616.md" description: "Marvell Tech rose 8.70% in the after-hours market; Micron Technology rose 5.28%, with a transaction volume of USD 259 million; SK Hynix rose 8.26%, with a transaction volume of USD 132 million; AMD rose 5.09%, with a transaction volume of USD 31.69 million" datetime: "2026-07-31T01:07:20.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294434616.md) - [en](https://longbridge.com/en/news/294434616.md) - [zh-HK](https://longbridge.com/zh-HK/news/294434616.md) --- # U.S. stock night market fluctuations: Marvell Tech rose 8.70% in night trading, with a $250 million investment from India boosting confidence **U.S. Stock Night Market Movements** Marvell Technology rose 8.70% in the night market. Based on recent key news: 1. On July 29, Marvell Technology announced it would invest $250 million in India over the next three years to expand local technology research and development, talent, and infrastructure, while doubling the number of employees in India. This investment aims to further strengthen the research and development capabilities of semiconductors related to artificial intelligence, cloud computing, and data infrastructure. Following this announcement, the stock price rose. Source: Guandian.com 2. On July 29, Corning's stock price plummeted after releasing its second-quarter financial report, dragging down a number of optical communication component stocks in the artificial intelligence industry chain. Affected by the negative financial report, Marvell Technology's stock price fell over 10%. Source: Focus on U.S. Stocks 3. On July 29, Marvell Technology held a significant weight in multiple ETFs, and any substantial inflow or outflow of funds would lead to automatic buying and selling of stocks. Following this announcement, the stock price fluctuated. Source: Benzinga Recent investments in the semiconductor industry have increased, and the Indian market has huge potential. **Stocks with High Trading Volume in the Industry** Micron Technology rose 5.28% in the night market. Based on recent key news: 1. On July 31, Microsoft released a strong financial report, driving a rebound in U.S. stocks and boosting Micron Technology's stock price by 18.4%. Microsoft's AI investments translated into profits, enhancing market confidence, with the S&P 500 index rising 1.7%. Source: Associated Press 2. On July 30, Samsung Electronics announced record quarterly profits, expecting the chip shortage to last until 2028, which drove Micron Technology's stock price up by 16%. Samsung's optimistic outlook strengthened market confidence in memory chip demand. Source: MarketBeat 3. On July 28, Changxin Technology was listed on the Shanghai Stock Exchange, triggering a global sell-off of memory stocks, causing Micron Technology's stock price to drop by 2.25%. Changxin's listing intensified market concerns about DRAM supply surplus. Source: Kuai Technology AI demand is driving growth in the memory chip industry. SK Hynix rose 8.26% in the night market. Based on recent key news: 1. On July 29, SK Hynix announced its second-quarter financial report, with operating profit increasing by 557% year-on-year, but falling short of market expectations, leading to stock price fluctuations. The report showed revenue of 79 trillion won, below the expected 84 trillion won, causing the stock price to drop 9% on Tuesday and then fall another 9% in after-hours trading. Source: Zhitong Finance 2. On July 29, SK Hynix made good progress in negotiations with major customers regarding HBM prices for next year. This news boosted market confidence and drove the stock price up. Source: Zhitong Finance 3. On July 30, SK Group Chairman Chey Tae-won purchased 3,600 shares of SK Hynix, demonstrating confidence in the company's future and further supporting the stock price. Source: Zhitong Finance The semiconductor industry is experiencing increased volatility driven by AI demand. AMD rose 5.09% in the night market. Based on recent key news: 1. On July 30th, Susquehanna raised AMD's target price to $500, expecting significant growth in its server CPU business. This move pushed AMD's stock price up over 6%. 2. On July 31st, Microsoft released its financial report showing that its AI investments are beginning to translate into profits, driving a rebound in U.S. stocks, with chip stocks also recovering some losses, and AMD's stock price rising 13%. 3. On July 28th, Wedbush Securities raised AMD's target price to $600, anticipating significant growth in its data center business and reaching an AI cooperation agreement with Microsoft and Anthropic. 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