2倍做多MU ETF-Direxion（MUU）今日盘前股价大跌9.60%，引发了市场的广泛关注。
消息面上，此次下跌主要源于芯片巨头博通公布的最新财报。尽管博通整体业绩表现强劲，但其2027财年AI芯片销售额指引未能超出甚至低于市场的高预期，这一消息引发了科技板块，尤其是半导体板块的集体抛售。作为MUU追踪标的的存储芯片龙头美光科技（MU）股价因此大幅下挫，而MUU作为美光科技的2倍杠杆ETF，其产品设计特性放大了底层标的资产的跌幅。
此外，半导体板块在经历前期大幅上涨后，市场获利了结压力显著。同时，日本央行加息预期升温等因素也共同压制了板块的整体情绪，导致相关杠杆ETF在盘前交易中继续承压。
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