每经AI快讯,10月21日,尾盘创业板ETF易方达(159915)成交额超100亿元,沪深300ET华泰柏瑞(510300)、沪深300ETF嘉实(159919)、科创50ETF工银(588050)小幅放量,成交额分别为50亿元、18亿元、5.45亿元。
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