铁路公路板块1月7日跌0.93%，大众交通领跌，主力资金净流出8.45亿元

Core Viewpoint - The railway and highway sector experienced a decline of 0.93% on January 7, with Dazhong Transportation leading the losses, while the Shanghai Composite Index and Shenzhen Component Index saw slight increases of 0.05% and 0.06% respectively [1][2]. Group 1: Market Performance - The railway and highway sector's stocks showed mixed performance, with notable gainers including Sichuan Chengyu (up 1.80% to 6.21) and Fujian Expressway (up 1.23% to 4.11) [1]. - Dazhong Transportation led the decline with a drop of 3.46% to 5.86, followed by Jinjiang Online and Daqin Railway, which fell by 3.38% and 1.92% respectively [2]. Group 2: Trading Volume and Capital Flow - The total trading volume for the railway and highway sector was significant, with Dazhong Transportation alone accounting for a transaction amount of 871 million [2]. - The sector saw a net outflow of 845 million from institutional investors, while retail investors contributed a net inflow of 384 million [2][3]. Group 3: Individual Stock Capital Flow - Fujian Expressway experienced a net outflow of 23.27 million from institutional investors, while it had a net inflow of 1.44 million from retail investors [3]. - Sichuan Chengyu had a net inflow of 10.49 million from institutional investors, but a net outflow of 9.75 million from retail investors [3].