北京时间7月8日凌晨，美国三大股指收盘集体下跌。道指跌0.25%，报52925.15点；纳指跌1.16%，报25818.69点；标普500指数跌0.45%，报7503.85点。

　　芯片股重挫，费城半导体指数大跌4.65%。英特尔跌9.66%，泰瑞达跌9.59%，西部数据跌7.86%，闪迪跌7.26%，ARM跌6.77%，AMD跌6.51%，美光科技跌4.71%。

　　科技七巨头走势仍分化。特斯拉跌4.02%，苹果跌0.64%，谷歌跌0.35%，微软涨0.54%，英伟达涨0.71%，亚马逊涨0.75%，脸书涨2.55%。

　　周二进入纳斯达克100指数的SpaceX大跳水，下跌6.83%，是该指数中首家以航天业务为核心的企业。

　　万得中概科技龙头指数微涨0.96%。美团-ADR涨6.01%，腾讯控股-ADR涨2.03%，小米集团-ADR涨0.34%，阿里巴巴涨0.20%。

（文章来源：中国经营报）

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