--- title: "U.S. stock night trading volatility: Applied Optoelectronics fell 3.74% in night trading, competing for market share with expansion and performance expectations" type: "News" locale: "en" url: "https://longbridge.com/en/news/296281407.md" description: "Applied Optoelectronics fell 3.74% in after-hours trading; Lumentum Holdings fell 2.18% in after-hours trading, with a transaction volume of $2.84 million; XunYuan Communication fell 1.51% in after-hours trading, with a transaction volume of $132,800; Nokia fell 2.12% in after-hours trading, with a transaction volume of $121,400" datetime: "2026-08-19T00:17:57.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296281407.md) - [en](https://longbridge.com/en/news/296281407.md) - [zh-HK](https://longbridge.com/zh-HK/news/296281407.md) generator: "portal-rs" --- # U.S. stock night trading volatility: Applied Optoelectronics fell 3.74% in night trading, competing for market share with expansion and performance expectations **U.S. Stock Night Market Movements** Applied Optoelectronics fell 3.74% in the night market. Based on recent key news: 1. On August 19, Applied Optoelectronics announced plans to expand capacity to meet the demands of ultra-large customers. The company expects to restore profit margins through growth in high-value products and plans to make proactive investments to capture rapidly growing markets. This news may lead to investor concerns about short-term profitability, affecting the stock price. 2. On August 19, the company's proprietary laser technology and automated production lines drove strong market demand. The company expects revenue and profit margins to rise significantly by 2027, with new products and customers in preparation. This news may spark market interest in the company's future growth potential. 3. On August 16, the increase in capital expenditures by global telecom operators released positive signals, although the growth was smaller compared to cloud service providers. This macro dynamic may affect the market environment for Applied Optoelectronics. Investment growth in the telecom industry creates a complex market environment. **Stocks with High Trading Volume in the Industry** Lumentum Holdings fell 2.18% in the night market. Based on recent key news: 1. On August 18, William O’Neil reinstated a buy rating on Lumentum without setting a target price. Analysts believe the company has significant potential in the AI field, which may drive the stock price up. 2. On August 17, Lumentum reported a more than fourfold increase in non-GAAP earnings per share for fiscal year 2026, reaching $8.67. The company expects strong earnings growth to continue over the next three years, with a compound annual growth rate of 74%. 3. On August 16, Hillhouse Capital's fund HHLR Advisors increased its holdings in Lumentum, showing institutional confidence in its future performance. The supply-demand situation in the optical communication components market remains favorable, with increased demand for AI infrastructure. Ciena fell 1.51% in the night market. Based on recent key news: 1. On August 17, Ciena executive Gary B Smith sold 2,952 shares of the company stock for $1,321,840. This sale may raise market concerns about insider confidence in the company, leading to stock price fluctuations. 2. On August 17, another Ciena executive, Brodie Gage, sold 1,200 shares of the company stock at a price of $439.24 per share. This sale further intensified market doubts about the company's future performance. 3. On August 14, Ciena's Senior Vice President David M Rothenstein sold 2,500 shares of the company stock for $1,095,250. The consecutive executive sales may negatively impact investor confidence. The technology sector has performed strongly recently, with significant capital inflows Nokia's night trading fell by 2.12%. Based on recent key news: 4. On August 18, Nokia announced plans to close nearly all of its offices in China by the end of the year and lay off most of its employees. This move is in response to the ongoing contraction of the Chinese market, putting pressure on its stock price. 5. On August 17, Nokia confirmed the closure of its R&D center in Hangzhou, laying off 1,600 employees, and plans to refocus on the U.S. market, investing $4 billion to capture market share in AI and cloud services. 6. On August 17, Nokia's revenue in China fell from €2.2 billion in 2018 to €913 million in 2025, with market share loss exacerbating stock price volatility. 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