农业综合板块12月22日涨1.04%，润农节水领涨，主力资金净流出548.99万元

Group 1 - The agricultural sector index increased by 1.04% on December 22, with Runong Water Saving leading the gains [1] - The Shanghai Composite Index closed at 3917.36, up 0.69%, while the Shenzhen Component Index closed at 13332.73, up 1.47% [1] - Key stocks in the agricultural sector showed varied performance, with Runong Water Saving closing at 7.10, up 2.16%, Dayu Water Saving at 4.61, up 1.32%, and Huilong Co. at 6.00, up 0.84% [1] Group 2 - The agricultural sector experienced a net outflow of 548.99 million yuan from institutional funds and 728.86 million yuan from speculative funds, while retail investors saw a net inflow of 1277.85 million yuan [2] - Detailed fund flow data for individual stocks in the agricultural sector was provided, indicating varying levels of investor interest [2]