8月4日，美股三大股指期货齐涨，截止发稿，道指期货涨0.15%，纳指期货涨0.71%，标普500指数期货涨0.21%。
半导体板块普涨，迈威尔科技涨超5%，英特尔、AMD、ARM涨超3%，阿斯麦涨超2%；
存储概念股普涨，闪迪涨超4%，SK海力士、美光科技、希捷科技涨超2%，西部数据涨近2%；
光通信概念股走强，Applied Optoelectronics涨超5%，Lumentum Holdings涨近4%，康宁、Coherent、Astera Labs涨超3%；
Palantir涨近15%，Q2美国商业收入超预期飙升149%，上调全年营收指引；
Grab涨超4%，Q2净利同比大增620%至2.52亿美元，并上调全年盈利预期；
Snap涨超7%，Q2营收和利润均超预期，并给出了强劲的第三季度业绩指引；
安森美半导体涨超5%，Q2业绩超市场预期，预计Q3AI数据中心收入翻倍；
Voyager Technologies涨近15%，Q2营收、订单量均创历史新高，上调全年营收预期。
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