美光科技(MU)今日盘中大幅下跌7.65%，成为半导体存储板块中跌幅显著的个股之一。
消息面上，此次下跌与华尔街机构调整投资风向标密切相关。摩根士丹利发布研报，将英伟达重新列为半导体板块的首选标的，取代了此前的美光科技。该行分析师指出，市场关于AI投资路径的讨论正在发生变化，虽然存储芯片与英伟达当前的行业景气度均极为出色，但以当前估值来看，市场更倾向于认为存储芯片具备更高的投资价值，因其业绩上修空间更具弹性。这一调整可能引发部分资金从存储芯片股流向AI处理器相关股票。
此外，市场对存储芯片需求前景的担忧情绪也是导致股价下跌的重要因素。尽管目前内存价格仍在持续上涨，且行业数据显示NAND Flash供需严重失衡，但市场担心这种涨价的可持续性。AI算力需求的大爆发导致存储芯片原厂将产能大规模转向高带宽内存及服务器端内存，挤压了消费电子领域的供应，下游手机、PC等终端厂商的成本压力急剧增大，这引发了市场对存储芯片长期需求稳定性的疑虑。
综合来看，机构资金配置的调整叠加市场对行业基本面可持续性的担忧，共同导致了美光科技股价在今日盘中的大幅下挫。
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