CMES(601872) 搜狐财经·2025-04-07 09:11Core Viewpoint - The China Oil and Gas Industry Index has experienced a significant decline, reflecting broader market trends and specific sector challenges [1][2]. Group 1: Index Performance - The China Oil and Gas Industry Index fell by 8.92% to 1632.1 points, with a trading volume of 26.382 billion yuan [1]. - Over the past month, the index has increased by 2.07%, but it has decreased by 0.87% over the last three months and by 3.18% year-to-date [2]. Group 2: Index Composition - The index includes companies involved in oil and gas exploration, equipment manufacturing, transportation, sales, refining, and primary petrochemical production [2]. - The top ten weighted companies in the index are: China National Petroleum (10.09%), China National Offshore Oil (9.82%), Sinopec (9.34%), Guanghui Energy (5.09%), and others [2]. - The index is primarily composed of companies listed on the Shanghai Stock Exchange (70.67%) and the Shenzhen Stock Exchange (29.33%) [2]. Group 3: Sector Allocation - The index's sector allocation is as follows: Energy (61.70%), Materials (20.44%), Industrials (15.07%), Financials (1.75%), and Utilities (1.03%) [2]. Group 4: Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3]. - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes significant corporate changes [3]. Group 5: Related Funds - Public funds tracking the oil and gas industry include: Guotai China Oil and Gas Industry Link A, Guotai China Oil and Gas Industry Link C, and Guotai China Oil and Gas Industry ETF [3].