Hong Kong stock movement: The communication equipment sector shows a mixed trend, CIG falls by 10.06%, YOFC rises by 7.72%

Hong Kong Stock Movement CIG fell 10.06%. Based on recent key news: On January 16, CIG announced that Liu Guisong resigned from the position of independent non-executive director. The board changes may affect investor confidence, leading to a decline in stock price. On January 16, the company announced that it expects net profit for the fiscal year 2025 to increase by 51.19% to 66.79% year-on-year, but reflects that the fourth-quarter performance was significantly below analyst expectations, resulting in a poor market reaction. On January 16, CIG announced that the supply chain tightness continues. Despite measures taken to mitigate the impact, the supply tightness of key materials is still worsening, affecting stock prices. The technology industry has strong demand, and supply chain risks are increasing. Stocks with High Trading Volume in the Industry YOFC rose 7.72%. Based on recent key news: On January 19, YOFC's independently developed ultra-low loss large effective area G.654.E optical fiber was successfully applied in the State Grid's ultra-high voltage direct current transmission project. This innovative product significantly reduces signal loss and improves grid communication quality, driving up stock prices. Source: Zhitong Finance On January 19, Changxin Bochuang released its performance forecast for 2025, expecting net profit attributable to shareholders of the listed company to be between 320 million and 370 million yuan, a year-on-year increase of 344.01%-413.39%. During the reporting period, the demand for computing power driven by new generation information technologies such as cloud computing, artificial intelligence, and big data has promoted the rapid development of the data communication market, leading to steady growth in the company's data communication-related product revenue, and subsequently driving net profit growth. Huatai Securities previously indicated that the MPO, AOC, and high-speed copper cable optical interconnection component businesses laid out by the company's subsidiary Changxin Bochuang have become strong growth points, benefiting from the construction of AI data centers in North America, with the company's overseas business continuing to expand. On January 16, Chen Huixiong, general manager of the energy division of YOFC, delivered a speech at the annual meeting of the Wind, Solar, and Energy Storage Subcommittee of the China International Science and Technology Promotion Association, emphasizing the importance of optical communication and sensing technology in power systems, further enhancing market confidence. Source: Zhitong Finance ZTE Corporation fell 0.61%, with a trading volume of 188 million HKD, and no significant news recently. The trading is active, with clear capital flow. Considering the sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. BYD Electronics fell 1.65%, with a trading volume of 151 million HKD, and no significant news recently. The trading is active, with clear capital flow. Considering the sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. Stocks with High Market Capitalization in the Industry VTech fell 1.44%, with a market capitalization of 15.7 billion HKD, and no significant news recently. The trading is active, with clear capital flow. Considering the sector and industry trends, the stock shows significant volatility, and specific reasons need further observation