2 1 Shi Ji Jing Ji Bao Dao·2025-10-21 10:35Core Viewpoint - On October 21, the Shanghai Composite Index rose by 1.36%, the Shenzhen Component Index increased by 2.06%, and the ChiNext Index climbed by 3.02% [1] Group 1: Stock Performance - The stock with the highest net inflow was Shanhe Intelligent (002097.SZ), with a net inflow of 188 million yuan, accounting for 12.83% of the total trading volume [1][5] - Shanhe Intelligent closed up by 10.04% with a turnover rate of 10.12% [1] - The stock with the highest net outflow was Sifangda (300179.SZ), which experienced a net outflow of 109 million yuan, representing 4.67% of the total trading volume [4][7] Group 2: Institutional Activity - A total of 28 stocks on the leaderboard saw institutional participation, with institutions net selling 676 million yuan overall [7] - The stock with the highest institutional net purchase was Lanfeng Biochemical (002513.SZ), which closed up by 10.06% and had a turnover rate of 39.79% [8] - Institutions net sold 18 stocks while net buying 10 stocks on that day [7] Group 3: Northbound Capital - Northbound capital participated in 21 stocks on the leaderboard, with a total net purchase of 184 million yuan [12] - The stock with the highest net purchase from northbound capital was Hefei Urban Construction (002208.SZ), with a net purchase of 61.8 million yuan, accounting for 3.92% of the total trading volume [12] - The stock with the highest net outflow from northbound capital was Zhengzhou Coal Electricity (600121.SH), with a net outflow of 59.6 million yuan, representing 4.07% of the total trading volume [12]