Zheng Xing Xing Ye Ri Bao·2026-02-04 08:56Group 1 - The coal mining sector experienced a significant increase of 7.75% on February 4, with Hengyuan Coal Power leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] - Key stocks in the coal mining sector showed substantial price increases, with Hengyuan Coal Power rising by 10.08% to a closing price of 7.21, and other notable increases from Kailuan Shares and Shanxi Coking Coal, both up by 10.01% [1] Group 2 - The coal mining sector saw a net inflow of 2.132 billion yuan from main funds, while retail investors experienced a net outflow of 1.171 billion yuan [1] - Major stocks like Dazhou Energy and Shanxi Coking Coal had significant main fund inflows, with Dazhou Energy receiving 2.07 billion yuan, representing 24.49% of its trading volume [2] - Retail investors showed a negative trend, with significant outflows from stocks such as Zhongmei Energy and Shanxi Coking Coal, indicating a shift in investor sentiment [2]