--- title: "U.S. stock market mid-session update: Ubiquiti down 12.24%, absence of top analysts triggers market confidence crisis" type: "News" locale: "en" url: "https://longbridge.com/en/news/285981124.md" description: "Ubiquiti fell 12.24%; Lumentum Holdings rose 16.82%, with a transaction volume of USD 7.741 billion; Applied Optoelectronics rose 20.34%, with a transaction volume of USD 2.178 billion; Cisco rose 1.86%, with a transaction volume of USD 1.583 billion; Arista Networks fell 4.12%, with a market value of USD 171.1 billion" datetime: "2026-05-11T18:17:54.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/285981124.md) - [en](https://longbridge.com/en/news/285981124.md) - [zh-HK](https://longbridge.com/zh-HK/news/285981124.md) --- # U.S. stock market mid-session update: Ubiquiti down 12.24%, absence of top analysts triggers market confidence crisis **U.S. Stock Market Midday Update** Ubiquiti fell 12.24%. Based on recent key news: 1. On May 10, Ubiquiti was not recommended by top analysts, which undermined market confidence. A report from MarketBeat indicated that although Ubiquiti was rated as a hold, analysts preferred to recommend five other stocks, leading to a decline in investor confidence and a drop in stock price. 2. On May 11, market attention towards Ubiquiti decreased, and trading volume increased. Due to a lack of positive analyst recommendations, investor interest in Ubiquiti waned, resulting in further declines in stock price. 3. No other significant news recently. Market attention towards Ubiquiti has decreased, increasing risks. **Stocks with High Trading Volume in the Industry** Lumentum rose 16.82%. Based on recent key news: 1. On May 11, Lumentum announced it would be included in the Nasdaq 100 Index, reflecting investor confidence in its AI-driven data center connectivity, leading to a rise in stock price. Source: Reuters 2. On May 11, Lumentum's stock price rose 4% in pre-market trading, as the company is set to officially join the Nasdaq 100 Index on May 18, replacing a seat held by Costa Group. Source: Viewpoint 3. On May 11, Lumentum's quarterly revenue increased by 65% year-on-year, reaching $665.5 million, demonstrating strong performance in the optical communications sector. Source: Lumentum official website. The tech sector faces geopolitical risks and policy challenges. Applied Optoelectronics rose 20.34%. Based on recent key news: 1. On May 12, Applied Optoelectronics' stock price surged 21.78%, reaching $181.38. This increase is related to the company's research and development layout in the U.S., Taiwan, and China, with the market responding positively to its short-term and long-term positioning. Source: Benzinga 2. On May 11, analysts maintained a hold rating on Applied Optoelectronics, despite five other stocks being considered more valuable investments. This rating may affect investor confidence. Source: MarketBeat 3. On May 9, the market showed interest in Applied Optoelectronics' high-speed application technology, although analysts believe other stocks are more attractive. This information may influence investor choices. Source: MarketBeat. The tech industry has shown strong recent performance, with significant capital inflows. Cisco rose 1.86%. Based on recent news: 1. On May 12, bullish sentiment increased ahead of Cisco's earnings report, with options traders heavily betting on a rise in stock price. Call option volume exceeded 75,000 contracts, and implied volatility reached 47, a new high in over a year, driving up the stock price. Source: Zhitong Finance 2. On May 11, Cisco projected third-quarter revenue of $15.4 billion to $15.6 billion, with Non-GAAP earnings per share of $1.02 to $1.04. Although gross margin expectations were below market expectations, the overall performance guidance was better than expected, boosting the stock price Source: Wall Street Watch On May 9, Morgan Stanley predicted that the year-on-year growth rate of S&P 500 EPS for the first quarter would reach 26%, with a revenue growth rate of 9%. Overall market earnings are strong, driving Cisco's stock price up. Source: CNBC The technology sector is performing strongly, with high demand for AI. **Stocks ranked at the top of the industry by market capitalization** Arista Networks fell 4.12%. Based on recent key news: 1. On May 9, Arista Networks warned of supply chain constraints, leading to a significant drop in stock price. The company noted in its announcement that supply chain issues could affect its product delivery, raising concerns among investors, resulting in a 4.12% drop in stock price. 2. No other significant news recently. 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