煤炭开采板块9月22日跌0.69%，永泰能源领跌，主力资金净流出3.65亿元

Group 1 - The coal mining sector experienced a decline of 0.69% compared to the previous trading day, with Yongtai Energy leading the drop [1] - On the same day, the Shanghai Composite Index closed at 3828.58, up by 0.22%, while the Shenzhen Component Index closed at 13157.97, up by 0.67% [1] - A detailed table of individual stock performance within the coal mining sector was provided [1] Group 2 - The coal mining sector saw a net outflow of 365 million yuan from main funds, while retail investors contributed a net inflow of 285 million yuan [2] - Speculative funds recorded a net inflow of approximately 79.45 million yuan into the coal mining sector [2] - A table detailing the fund flow for individual stocks in the coal mining sector was included [2]