人民财讯5月14日电，美股三大指数集体高开，标普500指数涨0.28%，道指涨0.78%，纳指涨0.18%。大型科技股方面，英伟达涨2.34%，谷歌A跌1.02%，超威半导体跌1.87%。AI光互联龙头POET涨逾21%。
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