2倍做多MU ETF-Direxion (MUU) 今日盘前股价大涨5.46%，引起了市场的广泛关注。
消息面上，此次大涨主要受到存储芯片板块全线爆发的推动。其标的股美光科技单日大涨超10%，费城半导体指数也涨超5%并再创新高。核心驱动力在于美光科技FY26Q2营收同比暴增196%，且第三季度的营收指引远超市场预期，显示出极强的业绩增长势头。
此外，多家华尔街投行如高盛、大和证券等密集上调了美光科技的目标价。市场分析认为，AI算力需求持续驱动HBM/DRAM等高端存储芯片供需紧张，叠加全年产能已被长协锁价售罄，业绩确定性极高。作为2倍杠杆产品，MUU放大了标的资产的短期涨幅，从而同步走强。
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