Zheng Xing Xing Ye Ri Bao·2025-09-12 08:37Group 1 - The advertising and marketing sector experienced a decline of 0.27% on September 12, with Focus Media leading the drop [1][2] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] - Key stocks in the advertising and marketing sector showed varied performance, with Shengguang Group rising by 4.89% to a closing price of 8.58, while Focus Media fell by 1.69% to 8.14 [1][2] Group 2 - The advertising and marketing sector saw a net outflow of 101 million yuan from institutional investors and 226 million yuan from retail investors, while individual investors contributed a net inflow of 326 million yuan [2][3] - Specific stock performances included Shengguang Group with a net inflow of 158 million yuan from institutional investors, while Focus Media had a net outflow of 113 million yuan [3] - The overall trading volume for the advertising marketing sector was significant, with Shengguang Group recording a trading volume of 2.25 million shares [1][3]