--- title: "Hong Kong Stock Movement: YOFC falls 10.42%, performance surge fails to mask expansion concerns" type: "News" locale: "en" url: "https://longbridge.com/en/news/293433459.md" description: "YOFC fell 10.42%; ZTE rose 5.49%, with a transaction amount reaching HKD 1.707 billion; Cambridge Technology fell 1.90%, with a transaction amount reaching HKD 883 million; Guanghetong rose 4.75%, with a transaction amount reaching HKD 63.26 million; Feisuk Innovation rose 0.06%, with a market value of HKD 14.5 billion" datetime: "2026-07-22T07:06:29.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/293433459.md) - [en](https://longbridge.com/en/news/293433459.md) - [zh-HK](https://longbridge.com/zh-HK/news/293433459.md) generator: "portal-rs" --- # Hong Kong Stock Movement: YOFC falls 10.42%, performance surge fails to mask expansion concerns **Hong Kong Stock Movement** YOFC fell by 10.42%. Based on recent news, 1. On July 21, the significant rise in fiber optic prices and the industry supply-demand gap prompted several companies to initiate expansion plans for optical rods and fibers. Hangzhou Hikvision Digital Technology Co., Ltd. plans to raise no more than 2.88 billion yuan for projects related to fiber optic preform rods, and FiberHome Technologies Group Co., Ltd. and Lingyi iTech also issued similar announcements. This news raised market concerns about supply-demand imbalance, leading to a decline in YOFC's stock price. Source: Zhitong Finance 2. On July 22, Jefferies downgraded YOFC's rating from "Buy" to "Hold," but significantly raised the target price to HKD 153.74. Despite the demand for fiber optics driven by AI and geopolitical conflicts, global capacity expansion may eliminate shortages, posing a risk of market share loss for YOFC. Source: Jefferies 3. On July 21, YOFC expected to achieve a net profit attributable to shareholders of 2.4 billion to 3 billion yuan in the first half of the year, a year-on-year increase of 711% to 914%. Despite the substantial growth in performance, the market doubts the sustainability of future profit growth, leading to stock price fluctuations. Source: Global Times Finance. The AI industry chain demand is strong, and the fiber optic industry is highly prosperous. **Stocks with High Trading Volume in the Industry** ZTE Corporation rose by 5.49%. Based on recent key news: 1. On July 19, ZTE showcased its latest full-stack AI layout at the 2026 World Artificial Intelligence Conference, promoting the company's strategic elevation and business innovation, boosting market confidence and driving stock price up. 2. On July 20, ZTE completed an A-share repurchase plan of approximately 145 million yuan, enhancing market confidence in the company's future development, leading to a rise in stock price. 3. On July 21, JP Morgan reduced its holdings in ZTE, decreasing its shareholding ratio to 5.93%, which exerted short-term pressure on the stock price, but the overall market response was positive. The AI industry remains hot, and market prosperity is high. Cambridge Technology fell by 1.90%, with a trading volume of HKD 883 million, and there has been no significant news recently. The trading is active, and the capital flow is evident. Considering the sector and industry trends, this stock shows significant volatility, and the specific reasons need further observation. Guanghetong rose by 4.75%, with a trading volume of HKD 63.26 million, and there has been no significant news recently. The trading is active, and the capital flow is evident. Considering the sector and industry trends, this stock shows significant volatility, and the specific reasons need further observation. **Stocks with High Market Capitalization in the Industry** Fast Innovation rose by 0.06%. Based on recent key news: 1. On July 22, Fast Innovation announced a profit warning, expecting a net profit growth of 60.1% to 70.1% in the first half of the year, mainly driven by the demand for global AI computing clusters and high-speed data center construction, boosting the prosperity of the enterprise-level high-speed network infrastructure industry. This news drove the stock price up by 5.59%. Source: Zhitong Finance 2. On July 22, FeiSu Innovation expects revenue growth of 25% to 27%, driven by strong demand for high-value-added solutions, pushing overall revenue scale upward. Source: Economic News Agency 3. On July 21, the board of FeiSu Innovation believes that optimizing the business structure and releasing scale effects effectively broadens profit margins, further supporting the rise in stock prices. 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