Xin Lang Cai Jing·2025-09-16 03:25Group 1 - Yunnan Copper experienced a 5% decline on September 16, with a stock price of 15.57 yuan per share, a trading volume of 1.693 billion yuan, a turnover rate of 5.29%, and a total market capitalization of 31.196 billion yuan [1] - Yunnan Copper Co., Ltd. is located in Kunming, Yunnan Province, and was established on May 15, 1998, with its listing date on June 2, 1998. The company's main business includes copper exploration, mining, smelting, precious metals and rare metals extraction and processing, sulfur chemical industry, and trading [1] - The revenue composition of Yunnan Copper includes 74.00% from cathode copper, 12.42% from other products, 12.24% from precious metals, and 1.33% from sulfuric acid [1] Group 2 - From the perspective of major fund holdings, one fund under Guotai Haitong Asset Management heavily invested in Yunnan Copper. The Guotai Junan CSI 500 Index Enhanced A (014155) held 1.8515 million shares in the second quarter, accounting for 1.15% of the fund's net value, ranking as the fourth-largest holding [2] - The estimated floating loss for the fund today is approximately 1.5182 million yuan [2] - The Guotai Junan CSI 500 Index Enhanced A (014155) was established on December 15, 2021, with a current scale of 1.451 billion yuan. Year-to-date returns are 28.43%, ranking 1635 out of 4222 in its category, while the one-year return is 65.15%, ranking 1392 out of 3804 [2]