--- title: "U.S. stock night market volatility: Seagate fell 3.16% in night trading: Storage boom recedes, supply and demand easing leads to adjustment" type: "News" locale: "en" url: "https://longbridge.com/en/news/296743542.md" description: "Seagate Tech fell 3.16% in after-hours trading; SanDisk fell 4.21% in after-hours trading, with a transaction volume of USD 380 million; Western Digital fell 2.74% in after-hours trading, with a transaction volume of USD 12.82 million; Apple rose 0.11% in after-hours trading, with a transaction volume of USD 11.02 million" datetime: "2026-08-24T06:12:45.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296743542.md) - [en](https://longbridge.com/en/news/296743542.md) - [zh-HK](https://longbridge.com/zh-HK/news/296743542.md) generator: "portal-rs" --- # U.S. stock night market volatility: Seagate fell 3.16% in night trading: Storage boom recedes, supply and demand easing leads to adjustment **U.S. Stock Night Market Movements** Seagate Tech fell 3.16% in the night market. Based on recent key news: 1. On August 21, after a strong surge in memory stocks, market expectations and excitement may have peaked, leading to a pullback in Seagate's stock price. Analysts pointed out that momentum investors shifted to other targets, resulting in a substantial change in the memory stock craze, with Seagate's stock price dropping by about 20%. Source: Zhitong Finance 2. On August 23, if the supply-demand conditions for hard drives ease slightly, or if capital expenditure growth from cloud service providers slows, it may lead to further adjustments in Seagate's stock price. Source: MarketWatch 3. On August 21, analysts predicted Seagate's stock price target for the next few years, noting that if capital expenditure from cloud service providers resets or NAND prices drop rapidly, it could bring significant volatility. Source: 24/7 Wall St. The memory industry is facing adjustments, with capital flows being volatile. **Top Stocks by Industry Transaction Volume** SanDisk fell 4.21% in the night market. Based on recent key news: 1. On August 21, SanDisk launched two new NAS SSDs aimed at professional users and small businesses. This move aims to enhance product line diversity and market competitiveness but failed to immediately boost stock prices. Source: Jinshi Data 2. On August 21, after a strong rise, memory stocks faced a pullback, with SanDisk's stock price dropping over 30% from its peak. The market's enthusiasm for AI memory stocks has shifted, leading investors to take profits. Source: Jinshi Data 3. On August 22, Castle Investment reduced its risk exposure in AI and semiconductor sectors, involving companies like SanDisk, resulting in increased short-term market pressure. Source: Castle Investment founder. The memory industry is facing a pullback, with increased market volatility. Western Digital fell 2.74% in the night market. Based on recent key news: 1. On August 21, after a strong rise in memory stocks, the market saw profit-taking, leading to a pullback in stock prices. Analysts noted that momentum investors shifted to other targets, cooling the memory stock craze, which caused Western Digital's stock price to decline. 2. On August 22, market analysis indicated that if supply-demand conditions for hard drives ease slightly, or if capital expenditure growth from cloud service providers slows, Western Digital may face stock price adjustment pressure. 3. On August 22, MarketBeat reported that although Western Digital was rated as a moderate buy, top analysts were more optimistic about five other stocks, affecting investor confidence. The memory industry is facing profit-taking pressure, and macroeconomic changes need to be monitored. Apple rose 0.11% in the night market. Based on recent key news: 1. On August 24, Apple plans to launch its first foldable iPhone, expected to be released on September 9. This move may enhance the attractiveness of its product line and attract market attention, thus boosting its stock price. Source: Bloomberg News 2. On August 24, Apple is facing shortages in memory and chip supplies, making price increases for the iPhone inevitable. The price of the iPhone 18 Pro is expected to rise by 9%, putting pressure on the company's gross margin. Source: Zhitong Finance On August 21, Apple paid $17 billion in taxes to Ireland, resolving a tax dispute. This move eliminated uncertainty and stabilized investor confidence. Source: Financial Times. 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