中概指数涨幅扩大至3%：金山云涨超18%，阿里巴巴涨超7%

Core Viewpoint - The Nasdaq Golden Dragon China Index experienced a significant increase, with major Chinese concept stocks showing substantial gains, indicating a positive market sentiment towards these companies [1] Group 1: Stock Performance - The Nasdaq Golden Dragon China Index saw an initial increase of 3% [1] - Notable stock performances include Zhihu rising over 23%, Kingsoft Cloud increasing over 18%, and Alibaba gaining over 7% [1] - Other companies such as Xpeng and Yum China rose approximately 4%, while NetEase and Baidu increased over 3% [1] Group 2: ETF Performance - KWEB, an ETF tracking Chinese internet stocks, rose by 2.9% [1] - CQQQ, another ETF focused on Chinese companies, increased by 2.8% [1]