动物保健板块9月17日跌0.32%，申联生物领跌，主力资金净流出7239.04万元

Market Overview - The animal health sector experienced a decline of 0.32% on September 17, with Shunlian Biological leading the drop [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Individual Stock Performance - ST Lvkang (002868) saw a closing price of 25.00, with a rise of 5.00% and a trading volume of 28,300 lots, totaling a transaction value of 67.72 million [1] - Ruipu Biological (300119) closed at 22.06, up 0.32%, with a trading volume of 78,100 lots and a transaction value of 172 million [1] - Kexin Biological (688526) closed at 18.39, with a slight increase of 0.05% and a trading volume of 30,000 lots, totaling 55.44 million [1] - Other notable declines include Yongshun Biological (10.40, -0.19%), Zhongmu Co. (7.38, -0.27%), and Haili Biological (7.15, -0.28%) [1] Capital Flow Analysis - The animal health sector saw a net outflow of 72.39 million from institutional investors, while retail investors contributed a net inflow of 31.00 million [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors showed interest [2] Detailed Capital Flow for Selected Stocks - Ruipu Biological had a net inflow of 3.75 million from institutional investors, but a net outflow of 5.98 million from retail investors [3] - ST Lvkang experienced a net inflow of 2.05 million from institutional investors, with retail investors showing a slight outflow [3] - Shunlian Biological faced a significant net outflow of 20.09 million from institutional investors, while retail investors contributed a net inflow of 13.17 million [3]