再鼎医药（09688.HK）今日盘中大跌5.28%，延续近期弱势。该股下跌幅度显著，引发市场关注。
从行业层面来看，生物医药板块整体表现疲软。昨日反弹的生物医药股今日再度下跌，其中昭衍新药跌幅超过9%，再鼎医药跌幅超过5%。这表明该板块整体承压，投资者信心不足。
值得注意的是，再鼎医药昨日（4月10日）的卖空数据显示，该股卖空量成交761.86万股，较上一交易日增加163.24%，卖空比例高达44.53%。如此高的卖空比例可能预示着市场对该股的看空情绪较浓，进而加剧了今日的跌势。然而，投资者也需警惕极端卖空可能引发的轧空反弹。此外，港股市场整体氛围偏弱，恒生指数、国企指数和恒生科技指数均低开，大型科技股普遍走低，这一大环境也可能对再鼎医药股价造成压力。
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