煤炭开采板块9月19日涨2.02%，华阳股份领涨，主力资金净流出3.55亿元

Group 1 - The coal mining sector increased by 2.02% on September 19, with Huayang Co. leading the gains [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] - Notable performers in the coal mining sector included: - Biaozhan Service (600348) with a closing price of 7.60, up 7.80% - Lu'an Huaneng (6691099) at 15.00, up 5.63% - Jinko Coal Industry (601001) at 14.30, up 5.54% [1] Group 2 - The coal mining sector experienced a net outflow of 355 million yuan from institutional investors, while retail investors saw a net inflow of 320 million yuan [2] - Key stocks with significant capital flows included: - Shanxi Coking Coal (000983) with a net inflow of 127 million yuan from institutional investors - Biaozhan Co. (600348) with a net inflow of 106 million yuan from institutional investors [3] - The overall trading volume for the coal mining sector was substantial, with various companies reporting significant transaction amounts [2][3]