美股中概股集体大涨，蔚来涨超10%，亿航智能涨超8%，金山云涨6%，小鹏汽车涨4%，阿里巴巴涨超3.8%

Core Viewpoint - Chinese concept stocks in the US market experienced a collective surge, indicating positive market sentiment towards these companies [1] Group 1: Stock Performance - NIO saw an increase of over 10% [1] - EHang Intelligent gained more than 8% [1] - Kingsoft Cloud rose by 6% [1] - Xpeng Motors increased by 4% [1] - Alibaba experienced a rise of over 3.8% [1]