煤炭开采板块12月10日跌0.18%，辽宁能源领跌，主力资金净流出8022.6万元

Group 1 - The coal mining sector experienced a decline of 0.18% compared to the previous trading day, with Liaoning Energy leading the drop [1] - The Shanghai Composite Index closed at 3900.5, down 0.23%, while the Shenzhen Component Index closed at 13316.42, up 0.29% [1] - A detailed table of individual stock performance within the coal mining sector is provided [1] Group 2 - In terms of capital flow, the coal mining sector saw a net outflow of 80.226 million yuan from main funds, while retail investors contributed a net inflow of 196 million yuan [2] - The net outflow from speculative funds amounted to 116 million yuan [2] - A detailed table of capital flow for individual stocks in the coal mining sector is included [2]