JCHX(SH:603979) Xin Lang Cai Jing·2025-12-19 05:56Group 1 - The core point of the news is that Jinchengxin Mining Management Co., Ltd. has seen a stock price increase of 5.04%, reaching 75.45 CNY per share, with a trading volume of 504 million CNY and a turnover rate of 1.10%, resulting in a total market capitalization of 47.064 billion CNY [1] - Jinchengxin's main business includes mining engineering construction, mining operation management, and mining design and technology research, with revenue composition as follows: 46.11% from sales of cathode copper, copper concentrate, and phosphate rock; 39.63% from mining operation management; 11.85% from mining engineering construction; 1.29% from materials, equipment, and others; 1.00% from mining machinery and equipment; and 0.13% from mining design consulting [1] Group 2 - From the perspective of major fund holdings, one fund under Shenwan Hongyuan has Jinchengxin as a significant holding, specifically the Shenwan Hongyuan CSI 500 Index Enhanced A Fund (003986), which reduced its holdings by 90,800 shares in the third quarter, now holding 655,000 shares, accounting for 1.83% of the fund's net value, ranking as the fifth-largest holding [2] - The Shenwan Hongyuan CSI 500 Index Enhanced A Fund has a total scale of 2.272 billion CNY and has achieved a year-to-date return of 26.14%, ranking 1691 out of 4197 in its category, with a one-year return of 25.45%, ranking 1597 out of 4147, and a cumulative return since inception of 130.21% [2]