A股ST板块连续三日持续走强，*ST观典涨超6%，*ST南置、ST瑞和、*ST东易、*ST生物等逾20只个股涨停。

Group 1 - The A-share ST sector has shown strong performance for three consecutive days, indicating a bullish trend in the market [1] - *ST Guandian has increased by over 6%, reflecting significant investor interest [1] - More than 20 stocks, including *ST Nanzhi, ST Ruihe, ST Dongyi, and ST Shengwu, have reached the daily limit up, showcasing a broad rally in the ST segment [1]