宠物经济板块1月27日跌1.68%，回盛生物领跌，主力资金净流出3.69亿元

Group 1 - The pet economy sector experienced a decline of 1.68% compared to the previous trading day, with Rongsheng Biological leading the drop [1] - On the same day, the Shanghai Composite Index closed at 4139.9, up 0.18%, while the Shenzhen Component Index closed at 14329.91, up 0.09% [1] - The net outflow of main funds in the pet economy sector was 369 million yuan, while retail funds saw a net inflow of 99.94 million yuan [1] Group 2 - The pet economy sector saw a net inflow of 26.9 million yuan from speculative funds [1] - Detailed fund flow data for individual stocks in the pet economy sector is available in the accompanying table [1]