February 21 news, Hong Kong stocks closed, the Hang Seng index closed up 3.99%, the index closed up 6.53%. Hang Seng index turnover reached 393.598 billion Hong Kong dollars (last trading day turnover of 2839.43 billion Hong Kong dollars). On the disk, most of the market sectors red, technology stocks led the market strong performance, chips, biomedicine, intelligent driving, robotics, mobile games, film and television sectors rose. Alibaba (09988.HK) rose more than 14%, Lenovo Group (00992.HK) ...