Zheng Xing Xing Ye Ri Bao·2025-10-13 12:45Group 1 - The coal mining sector experienced a slight decline of 0.1% on October 13, with Lanhua Technology leading the drop [1] - The Shanghai Composite Index closed at 3889.5, down 0.19%, while the Shenzhen Component Index closed at 13231.47, down 0.93% [1] - Notable stock performances in the coal mining sector included Dayou Energy, which rose by 4.41% to a closing price of 4.50, and China Shenhua, which increased by 0.45% to 39.95 [1] Group 2 - The coal mining sector saw a net inflow of 328 million yuan from institutional investors, while retail investors experienced a net outflow of 161 million yuan [2] - Key stocks with significant net inflows included China Shenhua with 305 million yuan and Shaanxi Coal and Chemical Industry with 127 million yuan [2] - Conversely, notable net outflows were observed in Yongtai Energy, which saw a net outflow of 86.54 million yuan from retail investors [2]