养殖业板块9月12日涨0%，天域生物领涨，主力资金净流出6.37亿元

Core Viewpoint - The aquaculture sector experienced a slight increase of 0.0% on September 12, with Tianyu Biological leading the gains, while the overall market indices showed modest growth [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3883.69, up by 0.22%, and the Shenzhen Component Index closed at 12996.38, up by 0.13% [1]. - Tianyu Biological's stock price rose by 7.34% to 10.53, with a trading volume of 281,500 shares and a transaction value of 290 million yuan [1]. - Other notable performers included Huaying Agriculture, which increased by 3.93%, and Jingjidu Agriculture, which rose by 3.87% [1]. Group 2: Capital Flow - The aquaculture sector saw a net outflow of 637 million yuan from institutional investors, while retail investors contributed a net inflow of 550 million yuan [2]. - The top three stocks by net inflow from retail investors were Tianyu Biological, with a net inflow of 31.03 million yuan, and Luoniushan, with 22.19 million yuan [3]. - Conversely, stocks like Minhe Agriculture and Yisheng Biotechnology experienced significant net outflows from institutional investors, indicating a shift in investor sentiment [3].