--- title: "U.S. stock night market volatility: Astera Labs rose 3.36% in after-hours trading, with earnings report expectations boosting market sentiment" type: "News" locale: "en" url: "https://longbridge.com/en/news/294283417.md" description: "Astera Labs rose 3.36% in after-hours trading; Micron Technology rose 0.61% in after-hours trading, with a transaction volume of USD 241 million; SK Hynix rose 0.52% in after-hours trading, with a transaction volume of USD 82.06 million; Intel rose 1.14% in after-hours trading, with a transaction volume of USD 22.48 million" datetime: "2026-07-30T01:22:09.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294283417.md) - [en](https://longbridge.com/en/news/294283417.md) - [zh-HK](https://longbridge.com/zh-HK/news/294283417.md) --- # U.S. stock night market volatility: Astera Labs rose 3.36% in after-hours trading, with earnings report expectations boosting market sentiment **U.S. Stock Market After-Hours Movements** Astera Labs rose 3.36% in after-hours trading. Based on recent key news: 1. On July 29, Astera Labs' stock price fell 7.77% due to technical indicators showing weakened buying momentum. The MACD was below the signal line, and the negative histogram indicated a decline in buying momentum, with the stock price dropping to $260.56. Source: Benzinga Pro 2. On July 29, the market had high expectations for Astera Labs' upcoming earnings report to be released on August 4, which could affect stock price trends. Source: Benzinga Pro 3. On July 27, Astera Labs' stock price rose 1.88% due to positive market sentiment. Source: Benzinga Pro The market is taking a wait-and-see approach regarding the upcoming earnings report. **Stocks with High Trading Volume in the Industry** Micron Technology rose 0.61% in after-hours trading. Based on recent key news: 1. On July 27, Changxin Technology was listed on the Shanghai Stock Exchange, with its stock price soaring 465% on the first day, prompting global investors to reassess the competitive landscape of the DRAM industry, leading to a 2.25% drop in Micron Technology's stock price. The hot listing of Changxin Technology intensified market concerns about industry competition. 2. On July 28, Zhitong Finance reported that the global memory chip sector faced significant sell-offs due to rising concerns over AI infrastructure investments, causing Micron Technology's stock price to decline simultaneously. The Philadelphia Semiconductor Index continued its downward trend, reflecting ongoing market worries about the expansion of capital expenditures in the AI industry chain. 3. On July 28, Benzinga reported that Micron Technology's stock price had plummeted over 26% from this year's peak, entering a bear market. Investor concerns about the sustainability of AI spending intensified, leading to a general pullback in memory chip stocks. The memory chip sector is experiencing increased volatility, necessitating attention to AI investment trends. SK Hynix rose 0.52% in after-hours trading. Based on recent key news: 1. On July 29, SK Hynix announced its second-quarter earnings report, which showed a 557% year-on-year increase in operating profit, but it fell short of market expectations, leading to significant stock price fluctuations. The report indicated revenue of 79.3 trillion won, below the expected 84 trillion won, and operating profit of 60.5 trillion won, below the expected 64.22 trillion won. As a result, SK Hynix's stock price in the Korean market briefly dropped nearly 20%, marking the largest intraday decline on record. 2. On July 29, SK Hynix reported smooth progress in negotiations with major customers regarding HBM prices for next year, which is expected to enhance shareholder returns. This news boosted market confidence in the company's future profitability. 3. On July 29, Kis Securities raised SK Hynix's price target by 24% to 4.7 million won, reflecting analysts' optimistic expectations for the company's future performance. The semiconductor industry faces risks of slowing AI investments Intel's after-hours trading rose by 1.14%. Based on recent key news: 4. On July 27, Intel announced the completion of the U.S. Department of Defense's RAMP-C program, promoting the construction of a chip design environment, which enhanced market confidence in its technological capabilities, leading to a rise in stock price. Source: CaiLianShe 5. On July 27, JP Morgan raised Intel's target price from $45 to $85. Although maintaining a "underweight" rating, the target price increase reflects market expectations for its future growth. Source: JinSe Finance 6. On July 27, Intel released its second-quarter financial report, with revenue increasing by 25% year-on-year, exceeding market expectations, significantly driven by its AI business, which boosted the stock price. Source: GuoXin Securities Semiconductor Industry Demand Structural Expansion ### Related Stocks - [ALAB.US](https://longbridge.com/en/quote/ALAB.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [SKHY.US](https://longbridge.com/en/quote/SKHY.US.md) - [INTC.US](https://longbridge.com/en/quote/INTC.US.md) ## Related News & Research - [Should you buy Astera Labs stock before Aug. 4?](https://longbridge.com/en/news/294139320.md) - [Why Astera Labs Rocketed Higher in May](https://longbridge.com/en/news/288937471.md) - [Astera Labs Is Expanding Its Taurus Product Line. 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