【#英伟达市值一夜蒸发1.37万亿元#】#美股三大股指大幅收跌#当地时间4月16日，美股三大指数大幅收跌。道指跌699.57点，跌幅为1.73%，报39669.39点；纳指跌516.01点，跌幅为3.07%，报16307.16点；标普500指数跌120.93点，跌幅为2.24%，报5275.70点。北京时间4月17日凌晨，鲍威尔就美国总统特朗普的关税政策影响发出了强烈警告。鲍威尔在演讲中表示，关税政策潜在影响的不确定性正在升高，可以预见到“通胀将上升且经济增长将放缓”，将使美联储陷入两难境地。鲍威尔还否认了投资者押注的“美联储看跌期权”（即市场大跌时美联储会出手救市）。他表示，市场希望美联储出手平息波动的预期可能是错误的，市场波动性可能会持续一段时间。有“美联储传声筒”之称的华尔街日报记者Nick Timiraos评论称，鲍威尔传递了令人沮丧的信号。受一系列利空消息影响，美股芯片板块全线重挫，鲍威尔讲话后，芯片股进一步下挫，英伟达、AMD一度暴跌超10%。截至收盘，费城半导体指数大跌4.1%，英伟达股价暴跌6.87%，总市值一夜蒸发1881亿美元（约合人民币1.37万亿元）；光刻机巨头阿斯麦发布了令人失望的财报，其股价重挫7%，进一步加剧芯片板块跌势。大型科技股集体收跌，苹果跌3.89%，微软跌3.66%，英伟达跌6.87%，特斯拉跌4.94%。#美联储主席发出通胀警告#（券商中国）

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