--- title: "U.S. stock market update: Gauzy rises 17.86% with a surge in trading volume, market sentiment is high but volatility should be monitored" type: "News" locale: "en" url: "https://longbridge.com/en/news/286138347.md" description: "Gauzy rose 17.86%; Corning fell 5.61%, with a transaction volume of USD 3.08 billion; Coherent Corp. fell 4.49%, with a transaction volume of USD 1.512 billion; Amphenol rose 3.22%, with a transaction volume of USD 840 million; Littelfuse fell 3.32%, with a market value of USD 11.4 billion" datetime: "2026-05-12T17:37:46.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286138347.md) - [en](https://longbridge.com/en/news/286138347.md) - [zh-HK](https://longbridge.com/zh-HK/news/286138347.md) --- # U.S. stock market update: Gauzy rises 17.86% with a surge in trading volume, market sentiment is high but volatility should be monitored **U.S. Stock Market Midday Update** Gauzy, up 17.86%, with increased trading volume and no significant news recently. The trading is active, with clear capital flow. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. **Stocks with High Trading Volume in the Industry** Corning down 5.61%. Based on recent key news: 1. On May 11, NVIDIA and Corning reached a strategic cooperation, with NVIDIA investing $500 million in equity subscription and paying billions in advance to secure production capacity. This move boosted Corning's stock price, but there are concerns about the execution of its expansion plans. 2. On May 12, Corning was repositioned as an AI infrastructure supplier, with its optical communications business revenue surging 36% year-on-year, reflecting the realization of AI infrastructure demand. However, the performance of non-optical sectors is uneven, dragging down overall performance expectations. 3. On May 12, analysts raised Corning's target price to 220 yuan, indicating market confidence in its long-term growth potential, but the stock price still faces volatility in the short term. The supply-demand gap in the optical fiber industry is widening, and risks need to be monitored. Coherent Corp. down 4.49%. Based on recent key news: 1. On May 12, Coherent Corp. saw its stock price rise due to strong earnings reports and demand from AI data centers. Analysts pointed out that despite a triple-digit increase year-to-date, there remains a 25%-30% risk of a pullback. Source: MarketWatch 2. On May 12, a Bernstein report indicated that key companies in the CPO supply chain benefited from demand for fiber array units, driving up the stock prices of related companies. Source: Zhitong Finance 3. On May 12, Ajinomoto benefited from its close R&D relationship with core chip designers, leading to increased demand for ABF films. Source: MarketWatch AI infrastructure growth, but risks remain. Amphenol up 3.22%. Based on recent key news: 1. On May 11, MarketBeat noted that although Amphenol received a "Moderate Buy" rating from analysts, top analysts are more optimistic about five other stocks. This information may have affected investor confidence in Amphenol, leading to stock price fluctuations. 2. On May 12, EE Times reported that printed circuit board procurement is shifting towards multilayer and HDI boards. This industry trend may have driven market demand for Amphenol, subsequently impacting its stock price increase. Rising demand in the electronics industry is pushing stock prices up. **Stocks with High Market Capitalization in the Industry** Littelfuse down 3.32%. Based on recent key news: 1. On May 10, Littelfuse announced a new expansion plan aimed at establishing an unparalleled moat and scaling to an unstoppable level. This news raised market concerns about the company's future growth potential, leading to a decline in stock price 2. On May 9th, the market adjusted its earnings expectations for Littelfuse Inc., with analysts generally believing that the company would struggle to meet its targets in the short term. This adjustment further heightened investor concerns, leading to a continued decline in the stock price. 3. On May 8th, a competitor of Littelfuse Inc. released a strong quarterly earnings report, showing significant market share growth. This news raised doubts among investors about Littelfuse Inc.'s market competitiveness, resulting in a drop in the stock price. 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