农业综合板块8月15日跌0.27%，辉隆股份领跌，主力资金净流出811.25万元

Group 1 - The agricultural sector experienced a decline of 0.27% on August 15, with Hui Long Co., Ltd. leading the losses [1] - The Shanghai Composite Index closed at 3696.77, up by 0.83%, while the Shenzhen Component Index closed at 11634.67, up by 1.6% [1] - Notable stock performances in the agricultural sector included Dayu Irrigation with a closing price of 5.38, up by 1.51%, and Hui Long Co., Ltd. with a closing price of 5.77, down by 1.70% [1] Group 2 - The net outflow of main funds in the agricultural sector was 8.11 million yuan, while retail investors saw a net inflow of 17.58 million yuan [1] - Dayu Irrigation had a main fund net inflow of 5.60 million yuan, while Hui Long Co., Ltd. experienced a net outflow of 13.72 million yuan [1] - Retail investors accounted for 3.80% of the net inflow in Dayu Irrigation and 3.28% in Hui Long Co., Ltd. [1]