Zheng Xing Xing Ye Ri Bao·2025-08-20 08:37Group 1 - The aquaculture sector increased by 0.91% on August 20, with Tianyu Biological leading the gains [1] - The Shanghai Composite Index closed at 3766.21, up 1.04%, while the Shenzhen Component Index closed at 11926.74, up 0.89% [1] - Key stocks in the aquaculture sector showed various performance, with Tianyu Biological closing at 8.36, up 2.58%, and Muyuan Foods at 47.50, up 1.69% [1] Group 2 - The aquaculture sector experienced a net outflow of 232 million yuan from institutional investors, while retail investors saw a net inflow of 178 million yuan [2] - The stock *ST Tianshan saw a significant decline of 16.07%, closing at 9.09 [2] - The trading volume and turnover for major stocks in the aquaculture sector varied, with Muyuan Foods having a turnover of 1.93 billion yuan [2] Group 3 - Major stocks like Muyuan Foods and Shengnong Development had mixed net inflows from different investor types, with Muyuan Foods seeing a net outflow of 81.64 million yuan from retail investors [3] - The net inflow for Shengnong Development from retail investors was 979.36 million yuan, indicating strong retail interest despite overall sector outflows [3] - The data indicates a complex flow of funds within the aquaculture sector, highlighting varying investor sentiments across different stocks [3]