Zheng Xing Xing Ye Ri Bao·2025-10-17 08:37Core Points - The oil and gas extraction sector experienced a decline of 1.63% on October 17, with XD China Sea leading the drop [1] - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1] Sector Performance - The oil and gas extraction sector saw a net outflow of 117 million yuan from main funds, while retail investors contributed a net inflow of 43.72 million yuan [1] - Key stocks in the sector included: - *ST Xinchao: Closed at 4.18, up 1.46%, with a trading volume of 516,300 shares [1] - Blue Flame Holdings: Closed at 7.22, up 0.56%, with a trading volume of 248,800 shares [1] - Intercontinental Oil and Gas: Closed at 2.34, up 0.43%, with a trading volume of 1,969,300 shares [1] - XD China Sea: Closed at 25.59, down 0.58%, with a trading volume of 430,300 shares [1] Fund Flow Analysis - Main funds showed a significant outflow from XD China Sea, amounting to 103 million yuan, representing a net outflow of 9.29% [2] - Retail investors showed a net inflow of 50.23 million yuan into XD China Sea, indicating some interest despite the overall decline [2] - The overall fund flow in the sector indicates a mixed sentiment among different types of investors, with main funds pulling back while retail investors remained active [2]