美股三大股指周一收盘涨跌不一，道指涨0.29%报51712.71点，纳指跌1.32%报26166.60点，标普500指数跌0.37%报7472.79点。

　　板块及个股方面，大型科技股多数下跌，万得美国科技七巨头指数跌2.33%。谷歌跌5.08%，亚马逊跌4.75%，微软跌3.18%，脸书跌2.32%，英伟达跌0.97%，苹果跌0.34%。

　　SpaceX收跌16.43%，连续第三个交易日下跌；总市值2.02万亿美元，较上一交易日蒸发4000亿美元。有消息称，SpaceX正寻求通过发债募资至少200亿美元，以支持其在人工智能领域的扩张。

　　芯片股普遍上涨，费城半导体指数涨2.04%。美光科技涨6.82%，英特尔涨5.19%，应用材料涨3.74%，科天半导体涨3.70%，超威半导体涨2.65%，台积电涨1.22%。

　　热门中概股多数下跌，万得中概科技龙头指数跌1.62%，纳斯达克中国金龙指数跌1.35%。小米集团跌4.32%，比亚迪股份跌3.50%，阿里巴巴跌2.03%，京东集团跌1.99%，拼多多跌1.82%，腾讯控股跌1.41%，百度集团跌0.02%。

（文章来源：中国经营报）

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