--- title: "U.S. stock night market volatility: SK Hynix fell 3.14% in night trading: Buyback benefits fail to mask differences, Samsung drags down sentiment" type: "News" locale: "en" url: "https://longbridge.com/en/news/296752183.md" description: "SK Hynix fell 3.14% in the night session; Micron Technology fell 3.30% in the night session, with a transaction volume of USD 423 million; NVIDIA rose 0.16% in the night session, with a transaction volume of USD 141 million; Intel fell 1.82% in the night session, with a transaction volume of USD 735.6 million" datetime: "2026-08-24T07:47:57.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296752183.md) - [en](https://longbridge.com/en/news/296752183.md) - [zh-HK](https://longbridge.com/zh-HK/news/296752183.md) generator: "portal-rs" --- # U.S. stock night market volatility: SK Hynix fell 3.14% in night trading: Buyback benefits fail to mask differences, Samsung drags down sentiment **U.S. Stock Night Market Movements** SK Hynix fell 3.14% in the night market. Based on recent news, 1. On August 21, SK Hynix announced a large-scale shareholder return plan, intending to repurchase and cancel shares worth 40 trillion Korean won, and to use at least 50% of the free cash flow generated from 2025 to 2027 for shareholder returns. This move boosted the stock price, but subsequently, the market still had discrepancies regarding its capital expenditure pace and the conversion of AI demand into sustainable cash flow, leading to stock price fluctuations. 2. On August 24, Samsung Electronics announced a shareholder return plan that fell short of market expectations, causing a significant drop in its stock price, which at one point fell over 7%. In contrast, SK Hynix's shareholder return policy was considered more attractive, leading to a higher market evaluation, which affected SK Hynix's stock price. 3. On August 21, global investors leveraged bets on SK Hynix's Korean-listed stocks, with financing costs halving, reflecting increased market confidence in its future performance, but also bringing short-term volatility. The overall industry performed strongly, with continued growth in AI demand. **Top Stocks by Industry Trading Volume** Micron Technology fell 3.30% in the night market. Based on recent key news: 1. On August 21, Micron Technology announced plans to invest $10 billion over the next decade to establish memory research laboratories in the U.S. to advance memory chip technology, develop computing systems, and support future chip manufacturing. Following this announcement, Micron's stock price rose about 3.97%, but then fell back due to overall market volatility. 2. On August 21, Micron Technology CEO Sanjay Mehrotra stated that artificial intelligence has fundamentally changed the storage industry, completely rewriting the value logic of storage. Despite Micron's full production efforts, it still cannot meet market demand, leading to stock price fluctuations. 3. On August 21, Alec Young, Chief Investment Strategist at quantitative research firm MoneyFlows, pointed out that smart money is shifting, and the stock price has given back most of its recent rebound in just a few days, indicating that there are many uncertain floating shares in the market, leading to a decline in Micron's stock price. Demand in the storage industry remains strong, driven by AI growth. NVIDIA rose 0.16% in the night market. Based on recent key news: 1. On August 24, NVIDIA collaborated with several Wall Street institutions to establish a $500 billion funding pool to promote GPU asset securitization. This news heightened market concerns about the cyclical financing in the AI industry, affecting stock price volatility. 2. On August 23, NVIDIA notified customers that the price increase for AI-related products would exceed 15%. This price hike may increase the financial burden on customers, leading to mixed market reactions and stock price fluctuations. 3. On August 21, NVIDIA announced that the first batch of Vera Rubin racks would power OpenAI's training stack. This news demonstrates the company's ongoing investment in the AI field, boosting market confidence. Investment in the AI industry has reached the trillion-dollar level, with the market focusing on supply and financing issues Intel's after-hours trading fell by 1.82%. Based on recent key news: 4. On August 22, Intel faced challenges with glass substrate technology, impacting its semiconductor application process. The yield issues with glass substrates remain unresolved, leading the market to adopt a wait-and-see attitude towards its large-scale commercialization. Source: Zhitong Finance 5. On August 21, analysts maintained a neutral rating on Intel, with the market divided on its future growth prospects. While Intel's strategic position is viewed positively, its stock performance remains weak in the short term. Source: Benzinga 6. On August 23, the market showed caution regarding the capital flow towards Intel, with net outflows of major funds. The support level of the stock price around $90 is under scrutiny. 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