--- title: "U.S. Stock Market Midday Update: Applied Optoelectronics up 11.39%: Analysts optimistic about potential, fluctuations caused by sell-offs and valuation discrepancies" type: "News" locale: "en" url: "https://longbridge.com/en/news/288756064.md" description: "Applied Optoelectronics rose 11.39%; Lumentum Holdings rose 0.54%, with a transaction volume of USD 3.644 billion; XunYuan Communication fell 14.73%, with a transaction volume of USD 2.701 billion; Nokia fell 1.75%, with a transaction volume of USD 1.637 billion; Cisco rose 2.32%, with a market capitalization of USD 510.1 billion" datetime: "2026-06-04T17:38:06.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/288756064.md) - [en](https://longbridge.com/en/news/288756064.md) - [zh-HK](https://longbridge.com/zh-HK/news/288756064.md) --- # U.S. Stock Market Midday Update: Applied Optoelectronics up 11.39%: Analysts optimistic about potential, fluctuations caused by sell-offs and valuation discrepancies **U.S. Stock Market Midday Update** Applied Optoelectronics, Inc. rose by 11.39%. Based on recent key news: 1. On June 2, analyst Serenity regarded Applied Optoelectronics, Inc. (AAOI) as a potential stock in the U.S. photonics market, believing it could become "the next SanDisk." The stock rose 20.1% that day, with market expectations for its future growth increasing. 2. On June 4, Zhitong Finance reported that Brainhole Technology sold part of its shares in Applied Optoelectronics, with a total transaction amount of approximately $1.3 million. This move may attract market attention to the stock, driving price fluctuations. 3. On June 2, 24/7 Wall St. reported that Applied Optoelectronics, Inc. is expected to rise 439% by 2026, but it was not included in the analysts' top ten recommended AI stocks list, indicating market divergence regarding its performance. The photonics industry is in a capacity-building phase, with high volatility. **Stocks with High Trading Volume in the Industry** Lumentum Holdings Inc. rose by 0.54%. Based on recent key news: 1. On June 3, TrendForce pointed out that with the expansion of AI data centers and the computing power arms race, transmission rates have increased to over 1.6Tbps. Companies like NVIDIA, Google, and Meta are strategically locking in the capacity of EML and CW-DFBLD chip suppliers, prompting suppliers to actively expand production to meet customer demand, further doubling the total capacity growth of EML and CW-DFBLD to 50.7 million by 2026. The top three manufacturers are Broadcom, Lumentum, and Sumitomo Electric, with a combined market share of 55%. This news drove Lumentum's stock price up. 2. On June 3, TrendForce's latest research indicated that electro-absorption modulated lasers (EML), which integrate laser sources with electro-absorption modulators (EAM) on the same chip, are high-performance optical communication components with high technical barriers. The top three suppliers, Lumentum, Broadcom, and Mitsubishi Electric, have a combined market share of 72%. Lumentum is actively expanding production of 100/200Gbps EML and has successfully demonstrated 400Gbps/Lane EML to meet the 3.2Tbps market demand, further boosting its stock price. 3. On June 3, as two of the "leaders" in the field, the stock prices of Coherent and Lumentum have both doubled this year. The monopolistic giant Corning in the global fiber optic cable industry has also benefited from this wave, with its stock price rising over 120% this year. Additionally, optical network equipment suppliers such as Fabrinet, Ciena, and Viavi Solutions have also benefited from the increase in optical network speeds, driving Lumentum's stock price up. The expansion of AI data centers is driving growth in optical communication demand XunYuan Communication fell 14.73%. Based on recent key news: 4. On June 4, Ciena announced its second-quarter financial report, with revenue increasing by 40% year-on-year and adjusted earnings per share soaring by 290% year-on-year. Despite exceeding expectations, the stock price still fell by about 19%, as the market expressed caution regarding its high valuation. Insiders at the company sold approximately $27.2 million worth of stock, further exacerbating investor concerns. 5. On June 4, Morgan Stanley anticipated that AI computing power investment is shifting from a single-point computing power competition to a full-stack computing system, leading to a surge in demand for AI optical interconnect infrastructure. Ciena's performance is highly aligned with the demand for AI data centers, driving its stock price volatility. 6. On June 4, the performance guidance from Broadcom and CrowdStrike fell short of expectations, causing a decline in technology stocks overall, which affected Ciena's stock performance. The surge in demand for AI optical interconnects coincided with the overall decline in technology stocks. Nokia fell 1.75%. Based on recent key news: 1. On June 4, Nokia attracted market attention due to its repositioning in the AI infrastructure sector. Nokia is transforming from a traditional communication equipment manufacturer to an infrastructure provider for the AI era, and this strategic shift is seen as a major reason for its stock price volatility. Source: Golden Finance 2. On June 3, Nokia's "micro chat phone" sold out during the pre-sale phase. Although the revenue contribution is limited, its precise entry into a niche market creates a synergistic effect with its AI transformation, and the market responded positively. Source: Zhitong Finance 3. On June 2, Nokia's stock price surged by 9.5%, continuing to rise by 4% in pre-market trading, mainly due to its new product launch and the market's positive expectations for its AI transformation. Source: Zhitong Finance. The demand for AI infrastructure is driving industry revaluation. **Stocks ranked at the top of the industry market capitalization** Cisco rose 2.32%, reaching a new 52-week high. Based on recent key news: 1. On June 2, Cisco's market capitalization first surpassed $500 billion, with the stock price increasing by 5%, reaching an all-time high, demonstrating strong market confidence in its AI infrastructure business. Source: Golden Finance 2. On June 4, Cisco launched a cloud control platform at the Cisco Live conference, integrating multiple platforms to enhance the efficiency of enterprise IT infrastructure management, further solidifying its position in the AI infrastructure sector. Source: Golden Finance 3. On June 4, Cisco raised its annual AI order target from $5 billion to $9 billion, and adjusted its AI revenue expectation to $4 billion, with analysts believing this will continue to boost stock performance. Source: Golden Finance. 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