焦炭板块12月15日涨2.06%，安泰集团领涨，主力资金净流入3亿元

Group 1 - The core viewpoint of the news is that the coke sector experienced a rise of 2.06% on December 15, with Antai Group leading the gains [1] - On the same day, the Shanghai Composite Index closed at 3867.92, down 0.55%, while the Shenzhen Component Index closed at 13112.09, down 1.1% [1] Group 2 - In terms of capital flow, the coke sector saw a net inflow of 300 million yuan, while retail investors experienced a net outflow of 203 million yuan [2] - The main funds in the coke sector had a net inflow of 30 million yuan, while speculative funds had a net outflow of 96.54 million yuan [2]