Zheng Quan Shi Bao Wang·2025-08-21 14:44Core Viewpoint - On August 21, the Shanghai Composite Index rose by 0.13%, with institutional investors appearing on the trading lists of 33 stocks, net buying 13 and net selling 20 [1][2]. Institutional Trading Summary - Institutional investors had a net selling amount of 150 million yuan across 33 stocks, marking the third consecutive day of net selling [1][3]. - The stock with the highest net buying was Zhongdian Xindong, which closed at the daily limit down with a turnover rate of 38.26% and a transaction volume of 2.807 billion yuan [2][5]. - Chuangyitong saw a significant increase of 15.01%, with a turnover rate of 19.77% and a transaction volume of 633 million yuan, resulting in a net buying of 62.8285 million yuan by institutions [2][6]. - Nanfang Jinggong experienced a decline of 1.36% with a turnover rate of 52.71% and a transaction volume of 4.497 billion yuan, where institutional investors net bought 60.5757 million yuan [2][6]. Market Performance Analysis - Stocks that institutions net bought averaged a rise of 4.65%, outperforming the Shanghai Composite Index [3]. - Strong performers included Hangzhou Gaoxin and Beixin Source, which closed at the daily limit up [3]. - Historical data indicates a 50% probability of stocks that institutions net bought rising the next day, with a 48.82% chance of outperforming the index [3]. Earnings Reports - Among the stocks net bought by institutions, three have reported a decline in net profit year-on-year [3]. - Five stocks have released half-year performance forecasts, with two expected to report profits. Nanfang Jinggong is projected to have a net profit of 225 million yuan, reflecting a year-on-year increase of 32,215.50% [3]. Stocks with Significant Institutional Activity - Hengbao Co. had the highest net selling amount among stocks, with a net selling of 109.801 million yuan due to a turnover rate of 41.62% [3][6]. - Other notable stocks include Chuanrun Co. and Kecai Information, which also saw significant net selling by institutions [4][6]. Deep and Hong Kong Stock Connect Activity - On August 21, 18 stocks on the trading list had participation from the Shenzhen and Hong Kong Stock Connect, with net buying in stocks like Jingbeifang and Wolong Electric Drive [7][8]. - Jingbeifang had a net buying amount of 176.236 million yuan, while Hengbao Co. faced the highest net selling of 262.6036 million yuan [7][8].