Xin Lang Cai Jing·2025-11-18 05:29Group 1 - The core point of the article highlights the decline in the stock price of Sinopec Oilfield Service Corporation, which fell by 5.04% to 2.45 CNY per share, with a trading volume of 421 million CNY and a turnover rate of 1.24%, resulting in a total market capitalization of 46.445 billion CNY [1] - Sinopec Oilfield Service Corporation, established on November 21, 1994, and listed on April 11, 1995, is primarily engaged in engineering and technical services for oil and gas exploration and development [1] - The company's main business revenue composition 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 the top ten circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) reduced its holdings by 1.4285 million shares in the third quarter, now holding 59.2787 million shares, which accounts for 0.31% of the circulating shares [2] - The estimated floating loss for the Southern CSI 500 ETF today is approximately 7.7062 million CNY [2] - The Southern CSI 500 ETF, established on February 6, 2013, has a current scale of 140.098 billion CNY, with a year-to-date return of 28.29% and a one-year return of 23.95%, ranking 1783 out of 4212 and 1902 out of 3956 respectively [2]