油气开采板块12月5日涨0.29%，洲际油气领涨，主力资金净流入235.6万元

Group 1 - The oil and gas extraction sector increased by 0.29% compared to the previous trading day, with Intercontinental Oil & Gas leading the gains [1] - The Shanghai Composite Index closed at 3902.81, up by 0.7%, while the Shenzhen Component Index closed at 13147.68, up by 1.08% [1] - The trading volume for Intercontinental Oil & Gas was 1.9873 million shares, with a closing price of 2.70, reflecting a gain of 3.05% [1] Group 2 - The net inflow of main funds in the oil and gas extraction sector was 2.356 million yuan, while retail investors experienced a net outflow of 25.9713 million yuan [1] - The main fund inflow for Intercontinental Oil & Gas was 40.8406 million yuan, accounting for 7.76% of the total, while retail investors had a net outflow of 31.7137 million yuan, representing -6.02% [2] - Blue Flame Holdings saw a net inflow of 6.2091 million yuan from main funds, with a net outflow of 8.9156 million yuan from retail investors, indicating a -16.08% change [2]