动物保健板块9月9日跌1.66%，驱动力领跌，主力资金净流出1622.43万元

Core Insights - The animal health sector experienced a decline of 1.66% on September 9, with the leading stock, Driveline, falling by 4.13% [1] - The Shanghai Composite Index closed at 3807.29, down 0.51%, while the Shenzhen Component Index closed at 12510.6, down 1.23% [1] Stock Performance - Driveline (Code: 838275) closed at 10.91, down 4.13% with a trading volume of 25,100 shares and a transaction value of approximately 27.70 million yuan [1] - Dayu Biological (Code: 871970) closed at 10.75, down 4.02% with a trading volume of 107,600 shares and a transaction value of approximately 115 million yuan [1] - Ruipu Biological (Code: 300119) closed at 21.72, down 2.99% with a trading volume of 87,200 shares and a transaction value of approximately 192 million yuan [1] - Jinhai Biological (Code: 002688) closed at 6.96, down 2.66% with a trading volume of 215,800 shares and a transaction value of approximately 151 million yuan [1] - Other notable declines include Biological Shares (Code: 600201) down 2.05% and ST Lvkang (Code: 002868) down 1.70% [1] Capital Flow - The animal health sector saw a net outflow of 16.22 million yuan from institutional investors, while retail investors contributed a net inflow of 9.72 million yuan [2] - Speculative funds recorded a net inflow of 6.50 million yuan into the sector [2]