2 1 Shi Ji Jing Ji Bao Dao·2025-10-10 11:00Core Viewpoint - On October 10, the Shanghai Composite Index fell by 0.94%, the Shenzhen Component Index dropped by 2.7%, and the ChiNext Index decreased by 4.55% [2] Group 1: Stock Performance - The most significant net inflow of funds was into Antai Technology (000969.SZ), amounting to 284 million yuan, which accounted for 15.64% of the total trading volume, with a closing price increase of 9.99% and a turnover rate of 10.79% [2][4] - The largest net outflow of funds was from Shanshan Co., Ltd. (600884.SH), with a net sell of 459 million yuan, representing 16.35% of the total trading volume, and a closing price decrease of 9.89% with a turnover rate of 11.17% [4][6] Group 2: Institutional Activity - On October 10, 31 stocks appeared on the trading list with institutional participation, with institutions net selling a total of 305 million yuan, having net bought 12 stocks and net sold 19 stocks [6][12] - The stock with the highest net purchase by institutions was Deep Technology (000021.SZ), which closed up by 3.46% with a turnover rate of 24.63% [7] Group 3: Northbound Capital - Northbound capital participated in 22 stocks on the trading list, with a total net sell of 669 million yuan, where the Shanghai Stock Connect had a net buy of 3 stocks and a net sell of 5 stocks, totaling a net sell of 262 million yuan; the Shenzhen Stock Connect had a net buy of 9 stocks and a net sell of 5 stocks, totaling a net sell of 407 million yuan [10] - The stock with the highest net buy from northbound capital was Blue Dai Technology (002765.SZ), with a net buy of 74.72 million yuan, accounting for 2.62% of the total trading volume [10][12] Group 4: Summary of Institutional and Northbound Capital Actions - Both institutions and northbound capital jointly net bought Antai Technology, Xinjiang Communications Construction (000928.SZ), Deep Technology, Shanshan Co., Ltd., and Wavelength Optoelectronics (300520.SZ); they jointly net sold Purtai (603059.SH), Shanghai Washba (603200.SH), Tongzhou Electronics (002052.SZ), Yongding Co., Ltd. (600105.SH), Kaimeite Gas (603619.SH), Guoxuan High-Tech (002074.SZ), and GoerTek (002241.SZ) [12][14]