--- title: "U.S. stock night market fluctuations: Coherent fell 3.87% in after-hours trading, high expectations for AI optical modules make it difficult for earnings reports to boost stock prices" type: "News" locale: "en" url: "https://longbridge.com/en/news/288788637.md" description: "Coherent Corp. fell 3.87% in after-hours trading; Corning fell 3.01%, with a trading volume of $2.16 million; Vishay Technology fell 2.89%, with a trading volume of $476,800; Amphenol fell 0.68%, with a trading volume of $82,200" datetime: "2026-06-05T01:01:44.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/288788637.md) - [en](https://longbridge.com/en/news/288788637.md) - [zh-HK](https://longbridge.com/zh-HK/news/288788637.md) --- # U.S. stock night market fluctuations: Coherent fell 3.87% in after-hours trading, high expectations for AI optical modules make it difficult for earnings reports to boost stock prices **U.S. Stock Night Market Movements** Coherent Corp. fell 3.87% in the night market. Based on recent key news: 1. On June 2, JP Morgan analysts pointed out that AI supply chain bottlenecks have become an investment theme, with Coherent named as a key player. Despite a slight increase in stock price, the market remains concerned about its future performance. 2. On June 3, a report from TrendForce indicated that the expansion of AI data centers is driving demand for optical communication components. Coherent is accelerating industry technology, but the short-term supply-demand imbalance may affect stock prices. 3. On June 3, the market reassessed optical network equipment suppliers, with Coherent viewed as a key bottleneck for AI data center connectivity. Although the long-term outlook is positive, short-term volatility is increasing. The expansion of the AI industry and rising demand for optical communication are intensifying market fluctuations. **Stocks with High Trading Volume in the Industry** Corning fell 3.01% in the night market. Based on recent key news: 1. On June 4, Corning signed a memorandum of cooperation with BOE Technology Group to collaborate in areas such as glass-based packaging substrates. This cooperation is seen as a long-term strategic layout, failing to bring immediate profit growth, leading to a lukewarm market reaction and a decline in Corning's stock price. 2. On June 4, analysts rated Corning as "moderate buy," but it was not listed as a top recommended stock, leading to cautious market sentiment regarding its future performance, which affected stock price performance. 3. On June 4, Corning's solar division faced significant operational challenges, testing investors' patience regarding its ongoing capital investments, increasing market uncertainty and putting pressure on stock prices. Technology stocks are strong, and market volatility is increasing. Vishay Technology fell 2.89% in the night market. Based on recent key news: 1. On June 4, Mouser Electronics was awarded the 2025 Catalog Distributor and Passive Component Distributor awards by Vishay Technology. This recognition enhanced Mouser's reputation in the industry but failed to positively impact Vishay's stock price, which fell due to market concerns about future profitability. 2. On June 3, Vishay Technology launched a new half-bridge MOSFET with excellent RDS(ON) values and efficient performance. However, despite significant technological innovation, market doubts about its short-term profitability remain, putting pressure on stock prices. 3. On June 3, Vishay Technology continues to provide a wide range of discrete semiconductors and passive electronic components in global markets. Despite its broad applications in multiple markets, recent market expectations for its profit growth are low, affecting stock price performance. The semiconductor industry has been volatile recently and requires attention. Amphenol fell 0.68% in the night market. There has been no significant news recently; trading is active, and capital flows are evident. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. no\_news ### Related Stocks - [COHR.US](https://longbridge.com/en/quote/COHR.US.md) - [GLW.US](https://longbridge.com/en/quote/GLW.US.md) - [VSH.US](https://longbridge.com/en/quote/VSH.US.md) - [APH.US](https://longbridge.com/en/quote/APH.US.md) ## Related News & Research - [Nvidia gets the headlines but this optical networking stock was the bigger AI surprise](https://longbridge.com/en/news/289101003.md) - [Micron, Marvell, Super Micro, Coherent, Smucker, and more stocks that explain today’s market](https://longbridge.com/en/news/289226287.md) - [The Hidden Nvidia Trade Nobody on Wall Street Is Talking About](https://longbridge.com/en/news/288896508.md) - [Coherent Named to Forbes 2026 America’s Best Companies List | COHR Stock News](https://longbridge.com/en/news/272850585.md) - [Chrysler recalls more than 1 million Jeeps it says could catch fire](https://longbridge.com/en/news/289169671.md)