中新经纬3月21日电 北京时间21日凌晨，美股三大指数集体下跌。截至收盘，道指跌0.03%，报41953.32点；标普500指数跌0.22%，报5662.89点；纳指跌0.33%，报17691.63点。

来源：Wind

　　盘面上，大型科技股涨跌不一，英伟达涨近1%，特斯拉、Meta飘红，苹果、亚马逊、谷歌、微软下挫。

　　芯片股走低，微芯科技跌逾6%，恩智浦半导体、博通跌超2%，亚德诺跌逾1%。

　　热门中概股多数下跌，纳斯达克中国金龙指数跌3.84%，创2月25日以来最大单日跌幅。金山云跌逾10%，蔚来跌逾8%，中通快递、小鹏汽车、极氪跌逾7%，爱奇艺、阿里巴巴、京东、百度等跌逾4%，满帮、携程网、贝壳跌逾3%，腾讯音乐、理想汽车、好未来跌逾2%。

　　宏观消息方面，美国劳工部周四报告称，截至3月15日当周，首次申请失业救济金人数经季节性调整后为22.3万，较前一周仅增加2000人，低于预期的22.5万。(中新经纬APP)

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