--- title: "U.S. Stock Market Midday Update: Lightwave Logic's stock price plummets 14.03%, financial update raises market concerns and intensifies volatility in tech stocks" type: "News" locale: "en" url: "https://longbridge.com/en/news/286803901.md" description: "Lightwave Logic fell 14.03%; Corning fell 7.39%, with a transaction volume of USD 1.653 billion; Coherent Corp. fell 5.80%, with a transaction volume of USD 1.509 billion; Amphenol fell 2.68%, with a transaction volume of USD 622 million; Littelfuse fell 1.34%, with a market value of USD 11.1 billion" datetime: "2026-05-18T17:37:34.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286803901.md) - [en](https://longbridge.com/en/news/286803901.md) - [zh-HK](https://longbridge.com/zh-HK/news/286803901.md) --- # U.S. Stock Market Midday Update: Lightwave Logic's stock price plummets 14.03%, financial update raises market concerns and intensifies volatility in tech stocks **U.S. Stock Market Midday Update** Lightwave Logic fell 14.03%. Based on recent key news: 1. On May 15, Lightwave Logic released an important document through the EDGAR system, leading to a significant drop in stock price. The document, operated by the U.S. Securities and Exchange Commission, involved an update on the company's financial status, raising market concerns about its future profitability, resulting in a 14.03% decline in stock price. Technology stocks have seen increased volatility recently and require attention. **Stocks Ranking High in Industry Transaction Volume** Corning fell 7.39%. Based on recent key news: 1. On May 18, optical communication technology has multiple advantages in AI computing scenarios, with industry expectations for significant breakthroughs in the next two to three years, supporting rapid increases in related stocks. The position of the optical communication sector in investors' views is rapidly rising, and supporting products in the capital market are emerging. Source: Caixin. 2. On May 18, optical communication stocks entered the ranks of the strongest leaders in the U.S. stock market, with Corning's stock price significantly rising after forming a partnership with NVIDIA. Source: Zhitong Finance. 3. On May 16, Corning executives will provide a business update at the J.P. Morgan Global Technology, Media and Telecommunications Conference, and the market is full of expectations for its future development. Source: Company announcement. The growth in optical communication demand presents an optimistic industry outlook. Coherent Corp. fell 5.80%. Based on recent key news: 1. On May 17, NVIDIA added 7.8 million shares of Coherent Corp. to its portfolio, demonstrating strategic support for the AI ecosystem. This move may attract market attention to Coherent, leading to stock price fluctuations. Source: Golden Finance. 2. On May 18, J.P. Morgan analysts noted an upward adjustment in growth expectations for the data communication market, with strong demand for optical modules benefiting suppliers like Coherent. This news may drive stock price fluctuations. Source: LightCounting. 3. On May 16, J.P. Morgan assigned an "overweight" rating to Coherent with a target price of $380, reflecting market confidence in its future growth. This rating may influence investor sentiment, leading to stock price fluctuations. Source: J.P. Morgan analyst report. The upward adjustment in growth expectations for the optical communication market is favorable for related companies. Amphenol fell 2.68%. Based on recent key news: 1. On May 17, analysts believe Amphenol's investment value is not as strong as that of five other stocks. Although Amphenol received a moderate buy rating, top analysts prefer to recommend other stocks, which may lead to a decline in investor confidence and a drop in stock price. 2. Recent intensification of competition in the energy and military/aerospace sectors may affect Amphenol's market share. Increased market attention to these sectors may lead to capital flowing to competitors, impacting Amphenol's stock price 3. Recent macroeconomic uncertainties have increased, which may affect overall market sentiment. Investor concerns about the economic outlook may lead to stock market volatility, impacting Amphenol's stock price. Competition in the energy and military sectors has intensified. **Stocks with High Market Capitalization in the Industry** Amphenol, down 1.34%, with a market capitalization of $11.1 billion, has seen an increase of 83.84% over the past six months, with no significant news recently. Trading is active, and capital flows are evident. 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