体育板块12月15日跌1.05%，中体产业领跌，主力资金净流出1152.23万元

Group 1 - The sports sector experienced a decline of 1.05% on December 15, with Zhongti Industry leading the drop [1] - The Shanghai Composite Index closed at 3867.92, down 0.55%, while the Shenzhen Component Index closed at 13112.09, down 1.1% [1] - The net outflow of main funds in the sports sector was 11.52 million yuan, while retail investors saw a net inflow of 6.89 million yuan [2] Group 2 - The net inflow of funds from speculative investors in the sports sector was 4.64 million yuan [2]