[hang Seng Index opens 1.92% Hang Seng Science and Technology Index rises 2.65%] Financial Associated Press, Hong Kong's Hang Seng Index opened up 1.92%. The Hang Seng Technology Index rose 2.65%. Baidu and JD.com rose nearly 5 per cent and Tencent nearly 4 per cent. The stock of new energy vehicles rose, while Xiaopeng car rose nearly 4%.