Zheng Xing Xing Ye Ri Bao·2025-10-23 08:27Group 1 - The oil and gas extraction sector increased by 0.62% on October 23, with China National Offshore Oil Corporation (CNOOC) leading the gains [1] - The Shanghai Composite Index closed at 3922.41, up 0.22%, while the Shenzhen Component Index closed at 13025.45, also up 0.22% [1] - Major stocks in the oil and gas extraction sector showed mixed performance, with CNOOC's stock price closing at 27.49, up 1.33%, while other stocks like Blue Flame Holdings and ST Xinchao experienced declines [1] Group 2 - The oil and gas extraction sector saw a net outflow of 305 million yuan from institutional investors, while retail investors contributed a net inflow of 211 million yuan [1] - CNOOC experienced a significant net outflow of 224 million yuan from institutional investors, with retail investors contributing a net inflow of 142 million yuan [2] - Other companies like ST Xinchao and Blue Flame Holdings also faced net outflows from institutional investors, indicating a trend of shifting capital within the sector [2]