动物保健板块1月26日涨5.61%，永顺生物领涨，主力资金净流入4.37亿元

Group 1 - The animal health sector experienced a significant increase of 5.61% on January 26, with Yongshun Biological leading the gains [1] - The Shanghai Composite Index closed at 4132.61, down 0.09%, while the Shenzhen Component Index closed at 14316.64, down 0.85% [1] - Key stocks in the animal health sector showed notable price increases, with Yongshun Biological rising by 27.18% to a closing price of 11.79, and Huisheng Biological increasing by 20.01% to 32.62 [1] Group 2 - The animal health sector saw a net inflow of 437 million yuan from institutional investors, while retail investors experienced a net outflow of 307 million yuan [2] - The trading volume for Yongshun Biological reached 292,600 shares, contributing to a total transaction value of 328 million yuan [1][2] - The stock performance of various companies in the sector varied, with some experiencing significant gains while others faced declines in retail investment [3]