--- title: "U.S. stock night trading volatility: Ciena fell 3.23% in night trading, with no significant news but a clear flow of funds, and market sentiment is increasingly volatile" type: "News" locale: "en" url: "https://longbridge.com/en/news/286519971.md" description: "Ciena fell 3.23% in after-hours trading; Lumentum Holdings fell 3.10% in after-hours trading, with a transaction volume of USD 759.2 million; Applied Optoelectronics fell 3.57% in after-hours trading, with a transaction volume of USD 289 million; Nokia fell 3.87% in after-hours trading, with a transaction volume of USD 221.1 million" datetime: "2026-05-15T06:47:02.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286519971.md) - [en](https://longbridge.com/en/news/286519971.md) - [zh-HK](https://longbridge.com/zh-HK/news/286519971.md) --- # U.S. stock night trading volatility: Ciena fell 3.23% in night trading, with no significant news but a clear flow of funds, and market sentiment is increasingly volatile **U.S. Stock Market After-Hours Movements** Ciena fell 3.23% in after-hours trading. Ciena fell 3.23% in after-hours trading. 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 3.10% in after-hours trading. Based on recent news, 1. On May 8, Lumentum director Ian Small sold 3,500 shares of the company's stock, leading to market doubts about internal confidence, putting pressure on the stock price. The trading price ranged from $910.72 to $912.26 per share, reducing his holdings to 25,962 shares after the transaction. 2. On May 11, Lumentum announced that it would officially be included in the Nasdaq 100 Index on May 18. After the news was released, the stock price surged by 16.52%, but subsequently, profit-taking selling pressure caused the stock price to pull back. 3. Recently, the demand for AI data centers has surged, driving up the optical communication sector, but Lumentum's stock price fell about 10% cumulatively on May 6 and 7 due to its earnings report not meeting Wall Street expectations. The surge in AI demand has made the optical communication sector active. Applied Optoelectronics fell 3.57% in after-hours trading. Based on recent key news: 1. On May 14, Applied Optoelectronics announced it had signed a stock distribution agreement with the SEC, planning to issue up to $600 million in common stock. This move may put pressure on the stock price due to market concerns about equity dilution. 2. On May 12, Applied Optoelectronics' stock price rose 21.78% due to strong earnings results and increased demand for AI data centers. 3. On May 15, analysts maintained a hold rating on Applied Optoelectronics, stating that while the company performed well, they believe other stocks offer better investment value. The demand in the optical communication industry is strong, with evident capital inflows. Nokia fell 3.87% in after-hours trading. Based on recent key news: 1. On May 14, Nokia successfully appealed in London, ending patent litigation with Acer and Asus. This victory eliminated potential legal risks and boosted market confidence in Nokia, positively impacting the stock price. Source: Reuters 2. On May 13, Nokia announced the appointment of Emma Falck as President of Mobile Infrastructure, promoting the application of AI technology in product development. This move is seen as an important step to strengthen the company's competitiveness, with a positive market reaction. Source: Reuters 3. On May 12, Nokia launched AI capabilities to enhance operational intelligence and productivity in its fixed network product line. This innovation is viewed by the market as a commercially promising technological advancement, leading to an increase in stock price. Source: Nokia announcement Global RAN market growth is stable, benefiting Nokia ### Related Stocks - [CIEN.US](https://longbridge.com/en/quote/CIEN.US.md) - [LITE.US](https://longbridge.com/en/quote/LITE.US.md) - [AAOI.US](https://longbridge.com/en/quote/AAOI.US.md) - [NOK.US](https://longbridge.com/en/quote/NOK.US.md) ## Related News & Research - [Ciena CEO Gary B. Smith disposes of common shares worth $1.66 million](https://longbridge.com/en/news/286973569.md) - [Ciena SVP, Chief Strategy Officer David Rothenstein sells $1.41 million common shares](https://longbridge.com/en/news/286973157.md) - [AI face is taking over — and driving plastic surgeons crazy](https://longbridge.com/en/news/286641783.md) - [How Beaten-Down Tempus AI Stock Offers a Lottery Ticket for Traders Here](https://longbridge.com/en/news/286786866.md) - [Jack Antonoff tells people who are making AI art to 'drive right off that cliff'](https://longbridge.com/en/news/286592426.md)