房地产服务板块9月12日涨1.82%，新大正领涨，主力资金净流入1.06亿元

Group 1 - The real estate service sector increased by 1.82% compared to the previous trading day, with Xin Dazheng leading the gains [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Group 2 - The net inflow of main funds into the real estate service sector was 106 million yuan, while retail funds experienced a net outflow of 24.17 million yuan [2] - Speculative funds saw a net outflow of 82.18 million yuan [2]