港股生物医药板块今日午后持续走弱，多只个股出现大幅下跌。其中，嘉和生物-B（06998）盘中大跌7.40%，引发市场关注。
根据最新行情，生物医药股普遍呈现疲软态势。三叶草生物（02197）领跌，跌幅超过14%；北海康成（01228）紧随其后，跌幅接近9%；科伦博泰（06990）和康诺亚（02162）均下跌超过6%；药明巨诺（02126）跌幅也超过5%。
分析人士指出，生物医药板块的集体下挫可能反映了投资者对该行业短期发展前景的担忧。嘉和生物-B作为该板块的重要成员，其股价走势也难以独善其身。目前尚无具体利空消息出现，投资者需密切关注后续行业动态和公司公告。
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