应用材料(AMAT)今日盘前股价大幅下挫5.04%，引发市场关注。此次下跌主要受到半导体设备板块整体回调、知名空头集中做空以及地缘政治紧张局势等多重因素影响。
消息面上，市场对人工智能(AI)芯片需求可持续性的担忧情绪持续发酵。此前，有大空头之称的迈克尔・伯里已公开披露其做空头寸覆盖应用材料等AI全产业链标的，其核心逻辑在于质疑当前AI热潮的长期价值，并将半导体行业集体扩产视为周期拐点信号，这给相关个股带来了显著的做空压力。
此外，半导体设备板块在前期经历急涨后，短期面临较大的获利回吐压力。同时，美伊紧张局势再度升级推高了市场避险情绪，而存储芯片龙头SK海力士等个股的获利了结行为也拖累了整个芯片板块的表现，应用材料作为半导体设备龙头未能独善其身。
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