煤炭开采板块8月12日涨0.84%，潞安环能领涨，主力资金净流入6699.14万元

Group 1 - The coal mining sector increased by 0.84% on August 12, with Lu'an Huanneng leading the gains [1] - The Shanghai Composite Index closed at 3665.92, up 0.5%, while the Shenzhen Component Index closed at 11351.63, up 0.53% [1] - Key stocks in the coal mining sector showed significant price increases, with Lu'an Huanneng rising by 3.33% to a closing price of 14.60 [1] Group 2 - The coal mining sector experienced a net inflow of main funds amounting to 66.99 million yuan, while retail funds saw a net outflow of 26.37 million yuan [2] - Major stocks like Shanxi Coking Coal had a net inflow of 99.41 million yuan, indicating strong institutional interest despite retail outflows [3] - The overall trading volume and turnover in the coal mining sector reflected active market participation, with notable transactions in several key companies [2][3]