2 1 Shi Ji Jing Ji Bao Dao·2025-10-22 11:12Market Overview - On October 22, the Shanghai Composite Index fell by 0.07%, the Shenzhen Component Index decreased by 0.62%, and the ChiNext Index dropped by 0.79% [1] - A total of 46 stocks appeared on the "Dragon and Tiger List" due to significant trading activity, with the highest net inflow of funds into Keri Technology (002957.SZ) amounting to 140 million yuan [1][4] Stock Performance - Keri Technology saw a net purchase of 140.26 million yuan, accounting for 15.2% of its total trading volume, and closed up by 10% with a turnover rate of 10.53% [2][6] - The stock with the highest net outflow was Hezhu Intelligent (603011.SH), which experienced a net sell-off of 118.25 million yuan, representing 3.72% of its total trading volume, and closed up by 2.55% with a turnover rate of 27.33% [4][6] Institutional Activity - Institutions were active in 24 stocks on the Dragon and Tiger List, with a total net purchase of 23.23 million yuan, buying 12 stocks and selling 12 stocks [6][7] - The stock with the highest net purchase by institutions was Rongxin Culture (301231.SZ), which closed up by 3.56% and had a turnover rate of 45.97% [7][8] Northbound Capital Flow - Northbound funds participated in 14 stocks on the Dragon and Tiger List, with a total net outflow of 165 million yuan [11] - The stock with the highest net purchase from northbound funds was Sanwei Communication (002115.SZ), with a net inflow of 48.12 million yuan, while the highest net outflow was from Haixia Shares (002320.SZ), amounting to 144 million yuan [11][13] Joint Activity of Institutions and Northbound Funds - Both institutions and northbound funds jointly net bought Sanwei Communication, Kebo Da, and Te Yi Pharmaceutical, while they jointly net sold Keri Technology and Haima Automobile [13][15] - In the case of Hunan Silver and Huayi Group, there was a divergence in actions, with institutions net selling Hunan Silver while northbound funds net bought it [13][15]