再鼎医药（09688.HK）今日盘中大跌5.28%，延续了近期的下跌趋势。这一走势与整体生物医药板块的表现一致，反映出投资者对该行业的谨慎态度。
据悉，再鼎医药昨日（4月10日）的卖空交易量达761.86万股，较前一交易日增加163.24%，卖空比例高达44.53%。这一数据表明，市场对该股的看空情绪明显增强。高企的卖空比例可能预示着投资者对公司短期前景持保守态度，从而加剧了今日的股价跌势。
值得注意的是，今日港股市场整体表现疲软，恒生指数、国企指数和恒生科技指数均出现不同程度的下跌。多数科技股和生物医药股走低，反映出投资者风险偏好下降。在这样的市场环境下，再鼎医药作为生物医药板块的重要成员，难以独善其身。分析人士指出，投资者可能正在重新评估生物医药公司的估值和增长前景，这可能导致短期内该板块的波动加剧。
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