--- title: "U.S. stock night trading volatility: Nokia fell 4.15% in after-hours trading, while the shortage of WeChat phones cannot hide the valuation pressure from AI transformation" type: "News" locale: "en" url: "https://longbridge.com/en/news/288787153.md" description: "Nokia fell 4.15% in after-hours trading; Lumentum Holdings fell 3.34% in after-hours trading, with a transaction volume of USD 5.8 million; Applied Optoelectronics fell 4.87% in after-hours trading, with a transaction volume of USD 3.55 million; XunYuan Communication fell 2.92% in after-hours trading, with a transaction volume of USD 1.52 million" datetime: "2026-06-05T00:36:40.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/288787153.md) - [en](https://longbridge.com/en/news/288787153.md) - [zh-HK](https://longbridge.com/zh-HK/news/288787153.md) --- # U.S. stock night trading volatility: Nokia fell 4.15% in after-hours trading, while the shortage of WeChat phones cannot hide the valuation pressure from AI transformation **U.S. Stock Night Market Movements** Nokia fell 4.15% in the night market. Based on recent news, 1. On June 4, Nokia entered the children's watch market, launching a 4G micro-chat phone priced at 199 yuan, specifically targeting core parental needs. Although the revenue contribution from the product itself is limited, it precisely taps into a niche market overlooked by mainstream manufacturers and aligns well with the company's ongoing AI transformation strategy, being viewed by the market as a "small product, big strategy" layout. 2. On June 3, Nokia's first "micro-chat phone," the Nokia 200 4G and Nokia 210 4G, sold out during the pre-sale phase, with factories working overtime to prepare stock. The two new products will be available for immediate sale across all platforms at 10:00 AM on June 5, but the official notice also indicates that the first batch of stock will still be in limited supply. 3. On June 3, Nokia firmly grasped the lifeline of AI, completing a leap from being "the tears of an era" to "the infrastructure provider of the AI era" at a critical moment. This identity switch has allowed the market to see Nokia again, believing it has the potential to rise again in the AI era, which requires Nokia's infrastructure. **Stocks with High Trading Volume in the Industry** Lumentum Holdings fell 3.34% in the night market. Based on recent key news: 1. On June 4, Lumentum Holdings' senior vice president and board members conducted internal stock sales, leading to a decline in stock price. Despite analysts holding a positive attitude towards the company and the first-quarter performance exceeding expectations, the stock price still fell. Source: Zhitong Finance 2. On June 3, TrendForce research pointed out that the expansion of AI data centers and the arms race in computing power are driving increased demand for EML and CW-DFB LD chips, with Lumentum actively expanding production to meet customer demand. Source: Jinshi Data 3. On June 3, as a leader in the optical communication field, Lumentum's stock price has doubled this year, with the market re-evaluating the optical communication sector. Source: Jinshi Data The expansion of AI data centers is driving increased demand for chips. Applied Optoelectronics fell 4.87% in the night market. Based on recent key news: 1. On June 2, Applied Optoelectronics' director Chen Minchu sold 8,247 shares of common stock at a transaction price of $201 per share. This move raised concerns about internal confidence in the company, putting pressure on the stock price. Source: EDGAR 2. On June 4, Brainhole Technology further sold 6,500 shares of Applied Optoelectronics in the open market, totaling approximately $1.3 million. This action intensified the market's selling pressure on the company's stock. Source: Zhitong Finance 3. On June 5, analysts maintained a hold rating on Applied Optoelectronics, and it was not included in the top five recommended buy stocks, affecting market confidence. Source: MarketBeat The photonics industry is in a capacity-building phase, with high volatility XunYuan Communication's night trading fell by 2.92%. Based on recent news, 4. On June 4th, Ciena announced its second-quarter financial report. Despite exceeding expectations, the stock price plummeted nearly 15%. The market believes that while the report was good, it did not surpass high expectations, leading investors to take profits. Ciena's full-year revenue guidance was raised to $6.3 billion, but market sentiment had already reflected optimistic expectations in advance, resulting in a stock price decline after the report was released. 5. On June 4th, Ciena's earnings quality significantly improved, with adjusted gross margin soaring from 41.0% to 44.9%, and operating profit margin doubling to 19.5%. Nevertheless, there are cautious voices in the market regarding its high valuation, as the stock price has accumulated an increase of about 165% this year. Some observers believe that insider stock sales are a signal worth noting. 6. On June 4th, Ciena's revenue outlook for the third fiscal quarter is optimistic, with expected revenue of $1.63 billion, higher than the market expectation of $1.56 billion. However, the market expresses concerns about the sustainability of its future growth, leading to a stock price decline. 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