Zheng Xing Xing Ye Ri Bao·2025-07-31 08:37Group 1 - The coal mining sector experienced a decline of 2.24% on July 31, with Huabei Mining leading the drop [1] - The Shanghai Composite Index closed at 3573.21, down 1.18%, while the Shenzhen Component Index closed at 11009.77, down 1.73% [1] - Major coal mining stocks showed significant declines, with Huabei Mining down 4.95% and other notable declines including Lu'an Environmental Energy down 4.85% and Pingmei Shenma down 4.57% [1] Group 2 - The coal mining sector saw a net outflow of 863 million yuan from main funds, while retail investors contributed a net inflow of 624 million yuan [1] - The table of fund flows indicates that China Shennong had a net inflow of 72.29 million yuan from main funds, while other companies like Electric Power Energy and SuNeng had mixed results in fund flows [2] - The overall trend shows that while main funds are withdrawing, retail investors are actively buying into certain stocks within the coal mining sector [2]