Svmuu News: At the close of trading in Hong Kong, the Hang Seng Indexl closed down 1.76%, and the Tech Index closed down 3.41%.Tech stocks fell across the board, with Zhipu (02513.HK) down about 13%, Sunny Optical Technology (02382.HK) down about 9%, and SMIC (00981.HK) down nearly 7%.