科创50指数大涨8.5%，寒武纪、海光信息、盛美上海20CM涨停

Group 1 - The Sci-Tech Innovation 50 Index saw a significant increase, closing with a rise of 8.5%, marking the highest level since March 2022 [1] - Notable stocks that reached their daily limit include Cambrian, Haiguang Information, and Shengmei Shanghai, all increasing by 20% [1] - SMIC (Semiconductor Manufacturing International Corporation) experienced a rise of over 14%, while Kingsoft Office rose nearly 10% [1] Group 2 - Cambrian (688256) has a market capitalization of 520.1 billion with a year-to-date increase of 88.94% [3] - Haiguang Information (688041) also reached a market cap of 432.5 billion, with a year-to-date increase of 24.36% [3] - Shengmei Shanghai (688082) recorded a market cap of 62.8 billion and a year-to-date increase of 42.95% [3] - SMIC (688981) has a market cap of 830 billion and a year-to-date increase of 9.84% [3] - Kingsoft Office (688111) has a market cap of 15.26 billion with a year-to-date increase of 15.41% [3]