2 1 Shi Ji Jing Ji Bao Dao·2025-07-17 10:46Core Viewpoint - On July 17, the Shanghai Composite Index rose by 0.37%, the Shenzhen Component Index increased by 1.43%, and the ChiNext Index climbed by 1.76%, indicating a positive market trend for the day [1]. Group 1: Stock Performance - The stock with the highest net inflow was Changshan Beiming (000158.SZ), with a net inflow of 558 million yuan, accounting for 9.43% of the total trading volume [2][4]. - Changshan Beiming's stock price closed up by 10.02% with a turnover rate of 15.74% [2][4]. - The stock with the highest net outflow was Dayilong (002209.SZ), which saw a net outflow of 77.32 million yuan, representing 5.42% of the total trading volume, and closed down by 7.82% with a turnover rate of 49.98% [5][4]. Group 2: Institutional Activity - A total of 27 stocks on the leaderboard had institutional involvement, with institutions net buying 61.19 million yuan across 14 stocks and net selling 13 stocks [5][6]. - The stock with the highest institutional net purchase was Meidixi (688202.SH), which closed up by 19% with a turnover rate of 12.58% [6][7]. Group 3: Northbound Capital - Northbound capital participated in 18 stocks on the leaderboard, with a total net purchase of 658 million yuan, including 92.03 million yuan from the Shanghai Stock Connect and 566 million yuan from the Shenzhen Stock Connect [10][11]. - The stock with the highest net purchase from northbound capital was Changshan Beiming (000158.SZ), with a net purchase of 209 million yuan, accounting for 3.53% of the total trading volume [11][14]. Group 4: Joint Activity - Notably, both institutions and northbound capital jointly net bought stocks such as Weichai Heavy Machinery, Copper Crown Copper Foil, Hongbo Shares, Chengdu Xiandao, and Shouyao Holdings [14][15]. - There were discrepancies in the trading of stocks like Maiwei Biological and Dongshan Precision, where institutions sold while northbound capital bought [14][15].