7月17日，美股三大股指期货齐跌，截止发稿，道指期货跌0.43%，纳指期货跌1.71%，标普500指数期货跌0.81%。
芯片股普跌，AMD、迈威尔科技跌超4%，英特尔、ARM、台积电跌超3%；
存储概念股延续跌势，闪迪、西部数据、希捷科技跌超5%，美光科技、慧荣科技跌超4%，SK海力士跌2%；
光通信概念股集体下挫，康宁、Coherent、Astera Labs、Applied Optoelectronics跌超5%，Credo、Lumentum、POET Technologies跌超4%；
奈飞跌近9%，Q2营收同比增长13%，Q3指引不及预期；
直觉外科公司跌超9%，Q2业绩超预期，但美国市场手术量增长放缓至12%；
SpaceX跌超4%，星舰第13次试飞因多台发动机未能点火被迫中止。
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