7月27日，中芯国际盘中下跌3.01%，报68.1港元，成交额4.65亿港元。半导体板块全线重挫，同业华虹宏力跌8.88%、澜起科技跌8.36%、兆易创新跌8.27%、壁仞科技跌8.18%、天数智芯跌7.1%。
消息面上，长鑫科技今日正式登陆科创板，发行价8.66元/股，基础募资约579亿元，全额行使超额配售选择权后最高达666亿元，为科创板史上最大IPO。机构预计其上市后市值或达2至3万亿元，市场担忧巨型IPO对存量科技股形成显著资金分流。历史上中芯国际上市首日科创50曾暴跌8.82%，市场对此形成记忆效应，机构为配置长鑫提前减持流动性好的半导体龙头，加剧板块短期抛压。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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