市值超5200亿！寒武纪20CM涨停，科创50指数涨超8%

Group 1 - The core point of the news is that Cambrian (688256) reached a trading limit, with a market capitalization exceeding 520 billion and a trading volume of nearly 16 billion, contributing to a significant rise in the Sci-Tech Innovation 50 Index by over 8% [1] Group 2 - Cambrian's stock price increased by 20% during the trading session, with a closing price of 1243.20, compared to the previous close of 1036.00 [2] - The highest trading volume for Cambrian during the day was 11.715 billion, with a total trading amount of 10.946 billion [2] - The stock's turnover rate was recorded at 3.37%, indicating active trading [2]