2倍做多MU ETF-Direxion（MUU）今日夜盘出现大幅下跌，跌幅达5.96%，引起了市场的广泛关注。
消息面上，此次下跌受到多重因素压制。知名投资人迈克尔·伯里近期建立了针对其标的股美光科技的空头头寸，并警告其股价可能已触及周期性高点。同时，市场对人工智能（AI）算力可能面临产能过剩的担忧持续存在，此前有消息称Meta计划出售闲置AI算力，这给存储芯片行业的前景蒙上阴影。此外，投资者对三星发布的业绩指引感到失望，导致科技股普遍下挫，其中美光科技在日间交易中下跌，进一步拖累了该ETF的表现。
在美光科技自财报高点回调超20%的趋势尚未扭转的背景下，该ETF的两倍杠杆效应进一步放大了下跌幅度。尽管此前该ETF曾因美光科技宣布93亿美元扩建日本工厂的消息而经历技术性反弹，但市场普遍认为那仅是超跌后的修复。夜盘交易中，空头压力、行业担忧以及科技板块的整体疲软再度占据主导，导致价格显著回落。
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