煤炭开采板块2月2日跌5.3%，大有能源领跌，主力资金净流出6.1亿元

Group 1 - The coal mining sector experienced a decline of 5.3% on February 2, with Dayou Energy leading the drop [1] - The Shanghai Composite Index closed at 4015.75, down 2.48%, while the Shenzhen Component Index closed at 13824.35, down 2.69% [1] - Major coal mining stocks showed varied performance, with Jiang Aluminum Equipment rising by 2.20% to close at 10.24, while Dayou Energy fell by 10.04% to close at 6.63 [2] Group 2 - The coal mining sector saw a net outflow of 610 million yuan from main funds, while retail investors experienced a net outflow of 26.23 million yuan [2] - The stock of Electric Power Investment Energy had a net inflow of 135 million yuan from main funds, but a net outflow of 25.44 million yuan from retail investors [3] - China Shenhua had a net inflow of 68.98 million yuan from main funds, but a net outflow of 79.04 million yuan from retail investors [3]