中国上证综指5月21日（周三）收盘上涨7.1点，涨幅：0.21%，报3387.57点；中国深证成指5月21日（周三）收盘上涨45.05点，涨幅：0.44%，报10294.22点；中国沪深300指数5月21日（周三）收盘上涨18.21点，涨幅：0.47%，报3916.38点；中国创业板指数5月21日（周三）收盘上涨16.93点，涨幅：0.83%，报2065.39点；中国科创50指数5月21日（周三）收盘下跌2.19点，跌幅：0.22%，报995.49点。
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