2月28日，指数全天低开低走，创业指数领跌。板块方面，油气、白酒等少数板块上涨，机器人、CPO、铜缆高速连接、通信设备等板块跌幅居前。截至收盘，沪指跌1.98%，深成指跌2.89%，创业板指跌3.82%。ETF方面，华夏中证机器人ETF（562500）大跌7.54%，成分股中，伟创电气（688698.SH）跌14.15%，禾川科技（688320.SH）跌14.14%，三丰智能（300276.SZ）...
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