Zheng Xing Xing Ye Ri Bao·2025-09-19 08:53Core Viewpoint - The oil and gas extraction sector experienced a slight increase of 0.78% on September 19, with *ST Xinchao leading the gains, while the overall market indices showed a decline [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3820.09, down 0.3% [1] - The Shenzhen Component Index closed at 13070.86, down 0.04% [1] - The oil and gas extraction sector's performance is summarized in a table showing individual stock prices and their respective changes [1] Group 2: Stock Performance - *ST Xinchao (600777) closed at 3.82, with an increase of 1.60% and a trading volume of 188,100 shares, amounting to a transaction value of 72.02 million yuan [1] - China National Offshore Oil Corporation (600938) closed at 26.40, up 0.92% with a trading volume of 362,600 shares [1] - Blue Flame Holdings (000968) closed at 6.95, up 0.43% with a trading volume of 76,800 shares, totaling 53.16 million yuan [1] - Intercontinental Oil and Gas (600759) closed at 2.33, down 2.10% with a trading volume of 1,618,600 shares [1] Group 3: Capital Flow - The oil and gas extraction sector saw a net outflow of 28.90 million yuan from institutional investors and 13.01 million yuan from retail investors, while there was a net inflow of 41.91 million yuan from individual investors [1] - A detailed table shows the net capital flow for individual stocks, indicating varying levels of institutional, retail, and individual investor activity [2]