动物保健板块2月4日跌0.95%，生物股份领跌，主力资金净流出1.84亿元

Core Viewpoint - The animal health sector experienced a decline of 0.95% on February 4, with leading company BioShares falling significantly, while the overall market indices showed slight gains [1][2]. Market Performance - The Shanghai Composite Index closed at 4102.2, up by 0.85% - The Shenzhen Component Index closed at 14156.27, up by 0.21% [1]. Individual Stock Performance - The following stocks in the animal health sector showed notable price changes: - Yongshun Biological: Closed at 9.55, up by 1.27% with a trading volume of 42,400 shares and a turnover of 40.27 million yuan - Zhongmu Co.: Closed at 8.00, up by 1.14% with a trading volume of 139,400 shares and a turnover of 111 million yuan - Jinhai Biological: Closed at 6.34, up by 0.79% with a trading volume of 112,700 shares and a turnover of 70.98 million yuan - BioShares: Closed at 15.88, down by 3.29% with a trading volume of 534,100 shares and a turnover of 84.5 million yuan [1][2]. Capital Flow Analysis - The animal health sector saw a net outflow of 184 million yuan from institutional investors, while retail investors contributed a net inflow of 143 million yuan [2][3]. - The following stocks had significant capital flow: - Qudongli: Net inflow of 2.30 million yuan from institutional investors, but a net outflow of 1.89 million yuan from retail investors - Zhongmu Co.: Net inflow of 1.99 million yuan from institutional investors, with a net outflow of 6.49 million yuan from retail investors [3].