焦炭板块12月11日跌2.99%，安泰集团领跌，主力资金净流出1.9亿元

Group 1 - The coke sector experienced a decline of 2.99% on December 11, with Antai Group leading the drop [1] - The Shanghai Composite Index closed at 3873.32, down 0.7%, while the Shenzhen Component Index closed at 13147.39, down 1.27% [1] - A table detailing the individual stock performance within the coke sector was provided [1] Group 2 - The main capital flow in the coke sector saw a net outflow of 190 million yuan, while retail investors contributed a net inflow of 184 million yuan [2] - Speculative funds recorded a net inflow of 6.82 million yuan [2] - A table showing the capital flow for individual stocks in the coke sector was included [2]