Group 1 - The agricultural comprehensive sector experienced a slight decline of 0.02% on January 15, with Dayu Irrigation leading the drop [1] - The Shanghai Composite Index closed at 4112.6, down 0.33%, while the Shenzhen Component Index closed at 14306.73, up 0.41% [1] - Key stocks in the agricultural sector showed varied performance, with Huilong Co. rising by 1.48% to a closing price of 6.16, while Dayu Irrigation fell by 2.04% to 4.80 [1] Group 2 - The net outflow of main funds in the agricultural sector amounted to 17.2151 million yuan, while retail funds saw a net inflow of 7.1012 million yuan [1] - Detailed fund flow data indicates that Dayu Irrigation had a main fund net outflow of 9.894 million yuan, but a retail net inflow of 10.7936 million yuan [1] - Huilong Co. experienced a main fund net outflow of 7.3211 million yuan, with a retail net outflow of 3.6924 million yuan [1]