[Hong Kong stocks closed: Hang Seng Technology Index closed below 4,000 points, CATL fell more than 11%] On October 21, Hong Kong stocks opened higher and moved lower. The Hang Seng Technology Index fell 1.26% to 3994.77 points, and the Hong Kong Hang Seng Index fell 0.90% to 23651.87 points. The lithium battery sector led the decline, with China Innovation Aviation falling more than 3%, Ganfeng Lithium falling nearly 4%, CATL falling more than 11%, and the stock price hitting a new low since July 2025. Heavyweight technology stocks were collectively in the doldrums, with Tencent down 4%, Meituan down nearly 2%, and Xiaomi down nearly 1%. Storage concept stocks bucked the trend and rose, with Montage Technology rising nearly 9% and GigaDevice rising more than 3%.