A股三大指数今日集体下跌，截至收盘，沪指跌0.33%，深成指跌0.22%，创业板指跌0.23%，北证50指数涨0.52%，沪深京三市成交额18155亿元，较上日缩量584亿元。全市场超2700只个股下跌。板块题材上，光刻机、半导体、AI应用、医疗器械、云计算板块涨幅居前；雅下水电、海南自贸区、白酒、多元金融、可控核聚变板块跌幅居前。 ETF方面，科技股获资金回流，AI应用端、芯片产业链表现抢眼，科创综指ETF嘉实尾盘“20CM”涨停，最新溢折率为17.52%。科创人工智能ETF华宝、博时基金科创AIETF、AIETF富国和易方达基金科创人工智能ETF分别涨4.81%、4.7%、4.6%和4.6%。半导体板块跟随上扬，国联安基金科创芯片设计ETF、科创芯片ETF富国和科创芯片ETF国泰涨超3%。 周期股全线回调，水泥、机械、煤炭板块跌幅居前，基建ETF、建材ETF易方达分别跌3.06%、2.63%。港股科网股回调，恒生互联网科技ETF、恒生互联网ETF分别跌2.32%、2.11%。
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