当地时间7月31日，美股三大指数集体收跌，道指跌0.74%，纳指跌0.03%，标普500指数跌0.37%。热门科技股涨跌不一，Meta涨超11%；微软涨近4%，盘中一度大涨超8%，亦创出历史新高，市值一度站上4万亿美元；Arm跌超13%；特斯拉跌超3%；谷歌、博通跌超2%。半导体设备与材料、减肥药概念股跌幅居前，诺和诺德跌近6%，科磊跌近5%，阿斯麦跌超3%，礼来、辉瑞跌超2%。设计软件巨头...
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