Hong Kong stocks opened lower, with the Hang Seng Index down 0.49% and the Tech Index down 0.71%. Trip.com (09961.HK) fell more than 4.5%, Baidu (09888.HK) fell nearly 2.5%, while China Biopharmaceutical (01177.HK) and Industrial and Commercial Bank of China (01398.HK) both rose more than 1%.