2 1 Shi Ji Jing Ji Bao Dao·2025-05-07 10:52Core Viewpoint - On May 7, the Shanghai Composite Index rose by 0.8%, the Shenzhen Component Index increased by 0.22%, and the ChiNext Index gained 0.51%, indicating a positive market trend for the day [2]. Group 1: Stock Performance - Tianyu Shuke (002354.SZ) saw the highest net inflow of funds, amounting to 214 million yuan, representing 7.7% of its total trading volume, and closed with a gain of 10.05% and a turnover rate of 24.92% [2][4]. - Changshan Pharmaceutical (300255.SZ) experienced the largest net outflow of funds, totaling 192 million yuan, which accounted for 7.18% of its total trading volume, and closed up by 20.02% with a turnover rate of 10.63% [6][8]. Group 2: Institutional and Northbound Fund Activity - On May 7, 19 stocks on the Dragon and Tiger list saw institutional participation, with a total net purchase of approximately 94.99 million yuan, where institutions net bought 8 stocks and net sold 11 stocks [6][10]. - The stock with the highest net purchase by institutions was Tianyuan Dike (300047.SZ), which closed up by 8.46% with a turnover rate of 48.9% [7]. - Northbound funds participated in 12 stocks on the Dragon and Tiger list, with a total net purchase of 246 million yuan, where the highest net purchase was in Zongshen Power (001696.SZ) at 54.62 million yuan [11]. Group 3: Divergence in Fund Flows - Both institutions and northbound funds jointly net bought Tianyuan Dike and Changshan Pharmaceutical, while they jointly net sold Construction Industry and Suoao Sensor [12][13]. - In Tianyu Shuke, there was a divergence where institutions net sold 13.05 million yuan while northbound funds net bought 33.67 million yuan [12].