Core Viewpoint - The China Securities Gold Mining Index has shown significant growth, with a year-to-date increase of 32.05%, reflecting the overall performance of listed companies involved in gold mining and refining [2]. Group 1: Index Performance - The China Securities Gold Mining Index reported a value of 2444.44 points as of May 30 [1]. - The index has increased by 0.47% over the past month, and by 24.92% over the last three months [2]. - The index is based on a reference point of 1000.0, established on December 31, 2011 [2]. Group 2: Index Composition - The top ten weighted companies in the index include: - Chifeng Jilong Gold Mining (19.17%) - Shandong Gold Mining (15.07%) - Shandong Gold International (14.34%) - Zijin Mining (13.95%) - Zhongjin Gold (13.61%) - Hunan Gold (11.53%) - Hengbang Shares (3.81%) - Xiaocheng Technology (3.13%) - Western Gold (3.0%) - Sichuan Gold (2.38%) [2]. - The index's holdings are entirely composed of the materials sector, with a 100% allocation [3]. Group 3: Market Distribution - The Shanghai Stock Exchange accounts for 64.80% of the index's holdings, while the Shenzhen Stock Exchange represents 35.20% [2]. Group 4: Sample Adjustment - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [3]. - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes significant corporate changes [3].