Hong Kong stocks opened higher, with the Hang Seng Index up 0.54% and the Tech Index up 0.47%. Hua Hong Semiconductor (01347.HK) rose more than 3.5%, CATL (03750.HK) and WH Group (00288.HK) both rose nearly 3%, while NIO (09866.HK) fell more than 6.5% and Baidu (09888.HK) fell more than 3.5%.