2 1 Shi Ji Jing Ji Bao Dao·2025-09-12 10:56Market Overview - On September 12, the Shanghai Composite Index fell by 0.12%, the Shenzhen Component Index decreased by 0.43%, and the ChiNext Index dropped by 1.09% [2] - A total of 42 stocks appeared on the "Dragon and Tiger List" due to unusual trading activity, with the highest net inflow of funds being 414 million yuan into Shanzi Gaoke (000981.SZ) [2][4] Stock Performance - Shanzi Gaoke (000981.SZ) saw a closing price increase of 9.92% with a turnover rate of 20.5%, and it had the highest net buying amount of 414 million yuan, accounting for 7.84% of the total trading volume [4][7] - The stock with the highest net outflow was Huasheng Tiancai (600410.SH), which experienced a net selling of 651 million yuan, representing 9.09% of the total trading volume, and closed up by 5.82% with a turnover rate of 32.34% [6][10] Institutional Activity - On the same day, institutions were involved in 22 stocks, with a total net selling of 889 million yuan, net buying 10 stocks and net selling 12 stocks [6][9] - The most significant net buying by institutions was also in Shanzi Gaoke (000981.SZ), which closed up by 9.92% [7] Northbound Capital - Northbound capital participated in 24 stocks on the Dragon and Tiger List, with a total net outflow of approximately 33.56 million yuan [9] - The stock with the highest net buying from northbound capital was Jishi Media (601929.SH), with a net inflow of 300 million yuan, while Huasheng Tiancai (600410.SH) had the highest net outflow of 414 million yuan [10] Joint Activity - Institutions and northbound capital jointly net bought Shanzi Gaoke, Jinxin Nuo, Haon Auto Electric, Zhuye Group, and Bayi Steel, while they jointly net sold Zhongtai Auto, Dayang Electric, Tongzhou Electronics, Sanwei Communication, and Chip Original [13]