Hong Kong stocks' biopharmaceutical concepts rebounded sharply today, with Rongchang Biopharma (09995.HK) rising more than 7%, Junshi Biosciences (01877.HK) rising more than 4%, and Tiger Pharmaceuticals (03347.HK), Zai Lab (09688.HK), Fuhong Hanlin (02696.HK) and other stocks following suit.