Xin Lang Cai Jing·2026-02-02 01:51Group 1 - Jiangxi Copper Company experienced a significant drop in stock price, closing at 57.08 yuan per share with a trading volume of 227 million yuan and a turnover rate of 0.19%, resulting in a total market capitalization of 197.65 billion yuan [1] - The company, established on January 24, 1997, and listed on January 11, 2002, is primarily engaged in the mining, smelting, and processing of copper and gold, as well as the extraction and processing of rare metals and sulfur chemicals [1] - The revenue composition of Jiangxi Copper includes cathode copper (50.21%), copper rods and wires (19.55%), gold (14.50%), copper concentrate and other non-ferrous metals (6.91%), silver (3.21%), copper processing products (2.66%), chemical products (0.85%), and other products (1.65%) [1] Group 2 - The Qianhai Kaiyuan Fund holds a position in Jiangxi Copper, with the Qianhai Kaiyuan CSI A500 Index Enhanced A Fund (024650) owning 22,400 shares, representing 0.35% of the fund's net value, making it the eighth largest holding [2] - The fund has reported a floating loss of approximately 142,000 yuan due to the stock's performance [2] - The Qianhai Kaiyuan CSI A500 Index Enhanced A Fund was established on September 16, 2025, with a current size of 107 million yuan and a year-to-date return of 7.69%, ranking 1828 out of 5579 in its category [2]