--- title: "U.S. stock market midday update: FiEE surges 42.05% with no positive news? Capital influx drives volatility" type: "News" locale: "en" url: "https://longbridge.com/en/news/294220401.md" description: "FiEE rose 42.05%; Lumentum Holdings fell 3.83%, with a transaction volume of USD 384 million; Cisco rose 0.84%, with a transaction volume of USD 222 million; Applied Optoelectronics fell 4.58%, with a transaction volume of USD 141 million; Arista Networks fell 2.28%, with a market value of USD 208.8 billion" datetime: "2026-07-29T14:03:14.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294220401.md) - [en](https://longbridge.com/en/news/294220401.md) - [zh-HK](https://longbridge.com/zh-HK/news/294220401.md) generator: "portal-rs" --- # U.S. stock market midday update: FiEE surges 42.05% with no positive news? Capital influx drives volatility **U.S. Stock Market Midday Update** FiEE rose 42.05%, with increased trading volume. There have been no significant news recently; trading is active, and capital flows are evident. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. no\_news **Stocks with High Trading Volume in the Industry** Lumentum Holdings fell 3.83%. Based on recent key news: 1. On July 28, Corning's stock plummeted after releasing its Q2 earnings report, dragging down a number of optical communication component stocks in the artificial intelligence supply chain. Corning's stock fell 18%, causing companies like Lumentum to see stock declines of over 10%. Source: Zhitong Finance 2. On July 28, Lumentum's quarterly revenue increased by 90% year-over-year to $808.4 million, demonstrating strong growth in the fields of optics and photonics. Source: Business Wire 3. On July 27, Lumentum CEO Michael Hurlston was selected as the recipient of the 2026 Optica i4 Personal Achievement Award, recognizing his outstanding contributions in the fields of optics and photonics. Source: Business Wire The optical communication industry is experiencing increased volatility due to AI demand. Cisco rose 0.84%, with a trading volume of $222 million. Based on recent key news: 1. On July 26, NVIDIA CEO Jensen Huang called for the promotion of open-weight artificial intelligence model development, with Cisco as one of the signatories. The market is optimistic about its future technological cooperation prospects, leading to a rise in stock price. 2. On July 28, the U.S. consumer confidence report is set to be released, with positive market expectations driving an overall rise in tech stocks, benefiting Cisco. 3. On July 28, retail investor trading activity was high, with increased trading volume, leading to a rise in Cisco's stock price. Tech stocks performed strongly overall, with positive market expectations. Applied Optoelectronics fell 4.58%. Based on recent key news: 1. On July 28, CEO Morris Young completed a $632.5 million capital raise to fund Tongmei's InP capacity and warned that "capacity will become a key driver." Despite the company's data center revenue doubling year-over-year, the entire industry has seen a significant decline over the past month, with Applied Optoelectronics' stock price dropping 35.7%. 2. On July 27, MarketBeat analysts did not include Applied Optoelectronics in their recommended list. Although the company currently has a hold rating among analysts, top analysts believe that five other stocks are more valuable investments. 3. There have been no other significant news recently. The overall industry performance is weak, with noticeable capital outflows. **Stocks with High Market Capitalization in the Industry** Arista Networks fell 2.28%. Based on recent key news: 1. On July 29, Needham analyst Ryan Koontz maintained a buy rating on Arista and raised the target price from $185 to $200 This move demonstrates the market's confidence in Arista, but it failed to prevent the stock price from falling. 2. On July 28, market analysis pointed out that Arista's transition to 800G network technology requires higher R&D investment and initial manufacturing costs, coupled with aggressive pricing from competitor Cisco, which may compress Arista's gross margin and put pressure on the stock price. 3. On July 28, a report from MarketBeat indicated that although Arista received a buy rating, top analysts believe that five other stocks offer better investment value, which may affect investor confidence in Arista. The technology industry is facing challenges related to technological transformation ### Related Stocks - [FIEE.US](https://longbridge.com/en/quote/FIEE.US.md) - [LITE.US](https://longbridge.com/en/quote/LITE.US.md) - [CSCO.US](https://longbridge.com/en/quote/CSCO.US.md) - [AAOI.US](https://longbridge.com/en/quote/AAOI.US.md) - [ANET.US](https://longbridge.com/en/quote/ANET.US.md) ## Related News & Research - [FIEE: Strong revenue growth and profitability achieved, but going concern risk persists](https://longbridge.com/en/news/295976343.md) - [10:00 ETKSAT Opens Customer Demonstrations for HYPER Hybrid RF and Optical Relay Services](https://longbridge.com/en/news/296799905.md) - [Top 3 Tech Stocks That May Explode This Month](https://longbridge.com/en/news/296606563.md) - [Polymarket Odds: Will INTU, ZM, BOX Beat Earnings Tomorrow?](https://longbridge.com/en/news/296818178.md) - [Nvidia, Bloom Energy, SanDisk, Expion Energy and Visa: Why These 5 Stocks Are on Investors' Radars Today](https://longbridge.com/en/news/296852324.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**