8月18日，2倍做多MU ETF-Direxion盘中下跌9.37%，报31.7美元，成交额2.61亿美元。该ETF为美光科技2倍杠杆多头产品，其标的美光科技同日跌超3%。
消息面上，美光科技此前5个交易日累计大涨17.5%，短期获利回吐压力显现。传奇投资人德鲁肯米勒最新13F文件显示已清仓美光科技，Appaloosa亦减持该股，桥水基金此前披露减持约92%。期权市场出现一笔规模达62.40万美元的远月1200美元虚值看涨期权卖出大单，叠加看跌期权买盘，整体资金押注上方空间受限。此外，中国长鑫存储计划兴建第二座存储芯片厂的消息亦对美光构成竞争压力。
（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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