美股三大股指集体高开，道指涨0.16%，标普500指数涨0.27%，纳指涨0.35%。热门中概股普涨，金山云涨超8%，阿里巴巴涨超3%。雪佛龙上涨2.5%，公司完成收购赫斯公司。

Group 1 - The three major U.S. stock indices opened higher, with the Dow Jones up 0.16%, the S&P 500 up 0.27%, and the Nasdaq up 0.35% [1] - Popular Chinese concept stocks saw a broad increase, with Kingsoft Cloud rising over 8% and Alibaba increasing over 3% [1] - Chevron's stock rose by 2.5% following the completion of its acquisition of Hess Corporation [1]