Xin Lang Cai Jing·2025-10-21 02:40Group 1 - The core point of the news is the performance and financial details of Sinopec Oilfield Service Corporation, which saw a stock price increase of 5.26% to 2.20 CNY per share, with a trading volume of 335 million CNY and a market capitalization of 41.706 billion CNY [1] - Sinopec Oilfield Service Corporation was established on November 21, 1994, and listed on April 11, 1995. The company specializes in engineering and technical services for oil and gas exploration and development [1] - The revenue composition of Sinopec Oilfield Service includes drilling (49.10%), engineering construction (23.37%), special downhole operations (13.87%), geophysics (4.89%), logging (4.67%), and other services (2.99% and 1.11% for supplementary) [1] Group 2 - From the perspective of major circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) increased its holdings by 8.3067 million shares in the second quarter, bringing its total to 60.7072 million shares, which accounts for 0.32% of circulating shares [2] - The estimated floating profit from this investment is approximately 6.6778 million CNY [2] - The Southern CSI 500 ETF was established on February 6, 2013, with a current scale of 113.438 billion CNY. It has achieved a year-to-date return of 25.22% and a one-year return of 27.01% [2]