2 1 Shi Ji Jing Ji Bao Dao·2025-08-27 10:30Market Overview - On August 27, the Shanghai Composite Index fell by 1.76%, the Shenzhen Component Index decreased by 1.43%, and the ChiNext Index dropped by 0.69% [2] - A total of 55 stocks appeared on the "Dragon and Tiger List" due to unusual trading activity, with the highest net inflow of funds into Yanshan Technology (002195.SZ) amounting to 489 million yuan [2][4] Stock Performance - Yanshan Technology saw a closing price increase of 10.08% with a turnover rate of 21.04%, and it accounted for 5.76% of the total trading volume [4] - The stock with the highest net outflow was Huasheng Tiancheng (600410.SH), which experienced a net sell-off of 322 million yuan and closed down by 4.1% with a turnover rate of 44.33% [6][10] Institutional Activity - On the same day, institutions were involved in 25 stocks on the Dragon and Tiger List, with a total net sell-off of 662 million yuan, net buying 11 stocks and net selling 14 stocks [6][8] - The stock with the highest net buying by institutions was Bubugao (002251.SZ), which closed up by 9.96% and had a turnover rate of 23.74% [7] Northbound Capital - Northbound capital participated in 20 stocks on the Dragon and Tiger List, with a total net inflow of 341 million yuan, including a net buy of 17.44 million yuan from the Shanghai Stock Connect and 324 million yuan from the Shenzhen Stock Connect [9][10] - Yanshan Technology also had the highest net buying from northbound capital, amounting to 232 million yuan, while Huasheng Tiancheng had the highest net selling at 250 million yuan [10] Divergence in Buying and Selling - There were instances of divergence between institutional and northbound capital activities, with both groups net buying Bubugao and Longyang Electronics, while both net sold Wantong Development [13][15] - Specific stocks like Hongjing Technology and Yuekang Pharmaceuticals showed differing trends, with institutions net selling while northbound capital net bought [13]