港股生物医药股午后再度走弱，药明巨诺、博安生物跌超12%

Group 1 - Hong Kong biopharmaceutical stocks weakened again in the afternoon on August 28, with WuXi AppTec and Bionet falling over 12% [1] - The decline in these stocks indicates a potential trend in the biopharmaceutical sector within the Hong Kong market [1] - The performance of these companies may reflect broader market sentiments and investor confidence in the biopharmaceutical industry [1]