A-share closing review: The Shanghai Composite Index fell by 0.89%, while the concepts of copper cable high-speed connections and liquid-cooled servers rose against the trend

On January 22, Jin10 Data reported that the three major indices opened slightly lower today and maintained a fluctuating adjustment trend throughout the day. By the close, the Shanghai Composite Index fell by 0.89%, the Shenzhen Component Index fell by 0.77%, and the ChiNext Index fell by 0.54%. In the market, the copper cable high-speed connection and liquid-cooled server concepts rose against the trend, with stocks like XinYa Electronics, HuaMai Technology, Industrial Fulian, and ZhenShiTong hitting the daily limit. The CPO concept fluctuated higher, with GuangHe Technology and HYC hitting the daily limit. The Apple concept was active, with YingTong Communications, FuLai New Materials, and GCS tech hitting the daily limit. The Xiaohongshu concept continued to adjust, with AiMu Co., HUIZHOU Intelligent, and LaiYifen hitting the daily limit. The new retail concept weakened, with Zhongbai Group and Guangbai Co. hitting the daily limit. The communication equipment, gas supply and heating, and shipbuilding sectors saw the largest gains; while the real estate, tourism, hotel catering, public transportation, and home goods sectors saw the largest declines