油气开采板块1月29日涨2.71%，洲际油气领涨，主力资金净流出2.23亿元

Group 1 - The oil and gas extraction sector increased by 2.71% compared to the previous trading day, with Intercontinental Oil leading the gains [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] - Intercontinental Oil's stock price rose by 10.06% to 5.69, with a trading volume of 8.5569 million shares [1] Group 2 - The oil and gas extraction sector experienced a net outflow of 223 million yuan from institutional investors, while retail investors saw a net inflow of 111 million yuan [1] - China National Offshore Oil Corporation (CNOOC) had a net inflow of 2.611 million yuan from institutional investors, representing 2.71% of its total trading [2] - Intercontinental Oil faced a significant net outflow of 294 million yuan from institutional investors, accounting for 6.35% of its total trading [2]