北京时间7月21日晚，美股三大指数高开后震荡。截至发稿，道指涨0.33%；纳指涨0.65%，盘初一度涨超1%；标普500指数涨0.39%。半导体板块全线走高，存储芯片概念领涨。闪迪涨超10%，SK海力士、美光科技涨超8%。光通信板块盘初全线上涨，Coherent、迈威尔科技涨近7%，Lumentum涨超6%，Credo、Ciena涨超5%，康宁涨超3%。美股科技七巨头走势分化，英伟达、特斯拉涨超...
Source Link北京时间7月21日晚，美股三大指数高开后震荡。截至发稿，道指涨0.33%；纳指涨0.65%，盘初一度涨超1%；标普500指数涨0.39%。半导体板块全线走高，存储芯片概念领涨。闪迪涨超10%，SK海力士、美光科技涨超8%。光通信板块盘初全线上涨，Coherent、迈威尔科技涨近7%，Lumentum涨超6%，Credo、Ciena涨超5%，康宁涨超3%。美股科技七巨头走势分化，英伟达、特斯拉涨超...
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