农业综合板块12月9日跌1.71%，润农节水领跌，主力资金净流出267.95万元

Group 1 - The agricultural sector index declined by 1.71% compared to the previous trading day, with Runong Water Saving leading the decline [1] - The Shanghai Composite Index closed at 3909.52, down 0.37%, while the Shenzhen Component Index closed at 13277.36, down 0.39% [1] - A detailed table of individual stock performance within the agricultural sector is provided [1] Group 2 - The net outflow of main funds in the agricultural sector was 2.6795 million yuan, while retail funds saw a net inflow of 3.2755 million yuan [2] - The net outflow of retail investors was 595,900 yuan [2] - A detailed table of fund flows for individual stocks in the agricultural sector is provided [2]