每经AI快讯，3月4日，美股三大指数集体收跌，道指跌1.48%，纳指跌2.64%，标普500指数跌1.76%，大型科技股普跌，英伟达跌超8%，博通跌超6%，亚马逊跌超3%。（文章来源：每日经济新闻）
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