Group 1 - The oil and gas sector showed strong performance, with China National Offshore Oil Corporation (CNOOC) rising over 6%, reaching a peak price of 33.49 CNY per share, marking a historical high and a total market capitalization exceeding 1.5 trillion CNY [1] - China Petroleum and China Petrochemical both increased by over 4%, while Tongyuan Petroleum surged over 14%, with other companies like Potential Energy and Shandong Molong also experiencing gains [1] - CNOOC's trading volume was reported at 50.92 million shares, with a total transaction amount of 1.669 billion CNY, reflecting a turnover rate of 1.70% [2] Group 2 - CNOOC's latest market value is approximately 1.58 trillion CNY, with a market earnings ratio of 11.65 [2] - The stock price of CNOOC opened at 31.90 CNY, with a daily high of 33.49 CNY and a low of 31.90 CNY [2] - The H-share price for CNOOC was reported at 23.480 HKD, reflecting a 4.63% increase [2]