Zheng Xing Xing Ye Ri Bao·2025-09-22 08:53Group 1 - The oil and gas extraction sector experienced a decline of 1.56% on September 22, with *ST Xinchao leading the drop [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] - Major stocks in the oil and gas extraction sector showed varied performance, with *ST Xinchao down 3.66% and China Haikang down 0.91% [1] Group 2 - The net outflow of main funds in the oil and gas extraction sector was 60.73 million yuan, while retail investors saw a net inflow of 50.24 million yuan [1] - Detailed fund flow data indicated that *ST Xinchao had a main fund net outflow of 9.43 million yuan, with retail inflow of 6.08 million yuan [2] - Other companies like Blue Flame Holdings and Intercontinental Oil & Gas also reported significant net outflows from main funds [2]