Zheng Quan Shi Bao Wang·2025-10-15 13:53Core Insights - On October 15, the Shanghai Composite Index rose by 1.22%, with institutional investors appearing on the trading lists of 29 stocks, net buying 15 and net selling 14 [1][2]. Institutional Trading Summary - The stock with the highest net buying by institutional investors was Jinpan Technology, which closed at its daily limit with a trading volume of 2.47 billion yuan and a turnover rate of 8.41%. The net buying amounted to 192.97 million yuan, with three institutional seats among the top five trading departments [2][5]. - Another notable stock, Sunflower, also closed at its daily limit, with a trading volume of 2.38 billion yuan and a turnover rate of 24.11%. The net buying by institutions reached 130.67 million yuan, with all top five trading departments being institutional seats [2][5]. - Xingsen Technology closed at its daily limit with a trading volume of 2.11 billion yuan and a turnover rate of 7.15%. The net buying by institutions was 80.51 million yuan, with six institutional seats among the top five trading departments [3][5]. Performance of Net Bought Stocks - The average increase of stocks with net institutional buying was 6.32%, outperforming the Shanghai Composite Index. Stocks like Heshun Electric and Jinpan Technology showed strong performance, closing at their daily limits [3]. - Historical data indicates that stocks with net institutional buying have a 50.24% probability of rising the next day and a 50.72% chance of outperforming the Shanghai Composite Index [3]. Institutional Selling Summary - The stock with the highest net selling by institutions was Wentai Technology, with a net selling amount of 2.08 billion yuan. The stock experienced a volatility of 18.75% [4][6]. - Another stock, Zhichun Technology, had a net selling of 1.27 billion yuan, with a turnover rate of 31.49% and a daily decline of 9.70% [4][6]. - Sanhua Intelligent Control had a net selling of 1.22 billion yuan, with a daily increase of 10.01% [4][6]. Stocks with Deep and Hong Kong Stock Connect - On October 15, 24 stocks on the trading list had appearances from the Shanghai and Shenzhen Stock Connect, with net buying seen in stocks like Sanhua Intelligent Control and Zhongheng Electric [7][8]. - The net buying amounts for these stocks were 40.55 million yuan for Sanhua Intelligent Control and 33.43 million yuan for Zhongheng Electric, both showing a daily increase of 10% [8][9].