Zheng Xing Xing Ye Ri Bao·2025-09-15 08:35Market Overview - The feed sector increased by 2.52% on September 15, with Aonong Biological leading the gains [1] - The Shanghai Composite Index closed at 3860.5, down 0.26%, while the Shenzhen Component Index closed at 13005.77, up 0.63% [1] Key Stocks Performance - Aonong Biological (603363) closed at 6.04, up 10.02% with a trading volume of 1.5461 million shares and a transaction value of 908 million yuan [1] - Tiankang Biological (002100) closed at 8.05, up 8.20% with a trading volume of 1.4636 million shares and a transaction value of 1.158 billion yuan [1] - Haida Group (002311) closed at 67.35, up 3.62% with a trading volume of 79,700 shares and a transaction value of 534 million yuan [1] - Other notable stocks include Quanjinong (002548) up 3.33%, Zhenghong Technology (000702) up 2.01%, and Tangrenshen (002567) up 1.80% [1] Capital Flow Analysis - The feed sector saw a net inflow of 116 million yuan from institutional investors, while retail investors experienced a net outflow of 47.8 million yuan [2] - Aonong Biological had a significant net inflow of 204 million yuan from institutional investors, representing 22.44% of its trading volume [3] - Tiankang Biological and Zhenghong Technology also saw net inflows from institutional investors, although retail investors showed net outflows [3]