美股高开高走，纳斯达克指数涨幅扩大至2%！

老虎资讯综合03-31

3月31日，美股高开高走，纳斯达克指数涨幅扩大至2%，标普500指数涨1.6%，道琼斯指数涨1.38%。

明星科技股普涨，Meta涨近4%，英伟达、特斯拉、谷歌、微软等均涨超2%。

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