Group 1 - On October 24, a total of 34 stocks were involved with institutional investors, with 16 showing net buying and 18 showing net selling [1] - The top three stocks with the highest net buying by institutions were ShenNan Circuit (1.98 billion), ShenKai Co., Ltd. (65.95 million), and JiangBoLong (60.29 million) [1] - The top three stocks with the highest net selling by institutions were DeMingLi (2.67 billion), ChaoYing Electronics (191 million), and ShengYi Electronics (129 million) [1] Group 2 - The stock performance varied significantly, with some stocks like DaHua Intelligent showing a gain of 10.12% while others like GuangJi Pharmaceutical dropped by 10.05% [3] - Notable declines included ShengYi Electronics with a drop of 19.99% and ChaoYing Electronics with a staggering decline of 397.60% [4] - The overall market sentiment reflected mixed results, with certain stocks experiencing substantial volatility [3][4]