Zheng Xing Xing Ye Ri Bao·2025-10-31 08:36Core Insights - The aquaculture sector experienced a 1.0% increase on October 31, with Tianyu Biological leading the gains [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Aquaculture Sector Performance - Tianyu Biological (603717) closed at 9.16, up 4.93% with a trading volume of 254,000 shares and a transaction value of 234 million [1] - Huaying Agriculture (002321) closed at 2.90, up 4.69% with a trading volume of 654,900 shares and a transaction value of 188 million [1] - Other notable performers include *ST Tianshan (300313) up 3.34%, Luoniushan (000735) up 2.37%, and Xiaoming Co. (300967) up 1.65% [1] Capital Flow Analysis - The aquaculture sector saw a net inflow of 290 million from institutional investors, while retail investors experienced a net outflow of 190 million [2] - Major stocks like Muyuan Foods (002714) had a net inflow of 203 million, while Wens Foodstuffs (300498) had a net inflow of 61 million [3] - The overall trend indicates a shift in capital, with institutional investors showing confidence in the sector while retail investors are withdrawing [2][3]