Zheng Xing Xing Ye Ri Bao·2025-09-01 08:53Group 1 - The coal mining sector increased by 0.66% on September 1, with Xindazhou A leading the gains [1] - The Shanghai Composite Index closed at 3875.53, up 0.46%, while the Shenzhen Component Index closed at 12828.95, up 1.05% [1] - Key stocks in the coal mining sector showed varied performance, with Xindazhou A rising by 4.85% and Huaihe Energy declining by 1.14% [2] Group 2 - The coal mining sector experienced a net outflow of 165 million yuan from institutional investors and 124 million yuan from retail investors, while retail investors saw a net inflow of 289 million yuan [2] - Specific stock fund flows indicated that Yongtai Energy had a net outflow of 43.62 million yuan from institutional investors, while Yanzhou Coal had a net inflow of 31.27 million yuan [3] - The overall trading volume and turnover for key stocks in the coal mining sector varied, with significant transactions recorded for stocks like Anyuan Coal and China Shenhua [1][2]