Hong Kong stock market star tech stocks weakened, Alibaba fell over 12%, Xiaomi fell 10%, Tencent fell 9%. The Hang Seng Index opened down 9.28%, and the Hang Seng Tech Index fell 11.15%. Tech stocks, biomedicine, gold, and other sectors led the decline. Alibaba fell over 12%, Xiaomi fell 10%, Tencent fell 9%