2 1 Shi Ji Jing Ji Bao Dao·2026-01-07 14:57Market Overview - On January 7, the Shanghai Composite Index rose by 0.05%, the Shenzhen Component Index increased by 0.06%, and the ChiNext Index went up by 0.31% [1] - A total of 52 stocks appeared on the "Dragon and Tiger List" due to significant price movements, with Tongyu Communication (002792.SZ) seeing the highest net inflow of funds at 404 million yuan [1][3] Key Stocks - Tongyu Communication experienced a price increase of 10.01%, with a turnover rate of 31.92%, and a net buying amount of 404 million yuan, accounting for 7.35% of the total trading volume [3][4] - The stock with the highest net outflow was Goldwind Technology (002202.SZ), which had a net selling amount of 722 million yuan, representing 4.28% of the total trading volume, and closed up by 10% with a turnover rate of 20.29% [4][10] Institutional Activity - Institutions were active in 32 stocks on the Dragon and Tiger List, with a total net selling of 228 million yuan, comprising 17 net purchases and 15 net sales [4][5] - The stock with the highest net buying by institutions was Sanbo Brain Science (301293.SZ), which closed up by 10.45% and had a turnover rate of 46.31% [5][6] Northbound Capital - Northbound capital participated in 26 stocks on the Dragon and Tiger List, with a total net buying of 377 million yuan, including a net purchase of 517 million yuan from the Shanghai Stock Connect and 3.25 billion yuan from the Shenzhen Stock Connect [10] - The stock with the highest net buying from northbound capital was Nanda Optoelectronics (300346.SZ), with a net inflow of 186 million yuan, accounting for 1.79% of the total trading volume [10][14] Common Trends - Both institutions and northbound capital jointly net bought stocks such as Nanda Optoelectronics, Sanbo Brain Science, and Dawi Technology, while they jointly net sold stocks like Baolong Chuangyuan and Goldwind Technology [14][15] - There were discrepancies in trading decisions for stocks like Raytheon Defense and Chip Source Microelectronics, where institutions sold while northbound capital bought [14]