Core Viewpoint - The China Securities Hong Kong 300 Materials Index has shown a decline of 5.21% over the past month, but has increased by 9.01% over the last three months and 15.14% year-to-date [1] Group 1: Index Performance - The China Securities Hong Kong 300 Materials Index is currently at 1882.14 points [1] - The index is based on a sample of securities classified according to the China Securities industry classification standards, reflecting the overall performance of different industries in the Hong Kong market [1] Group 2: Index Composition - The top ten holdings in the China Securities Hong Kong 300 Materials Index are: Zijin Mining (26.75%), China Hongqiao (9.83%), Zhaojin Mining (8.26%), Conch Cement (7.59%), Luoyang Molybdenum (6.09%), Shandong Gold (5.15%), Xinyi Glass (4.87%), China Aluminum (4.43%), Dongyue Group (4.06%), and China National Building Material (3.85%) [1] - The index is fully composed of stocks listed on the Hong Kong Stock Exchange, with a 100% allocation [1] Group 3: Industry Breakdown - The industry composition of the index shows that non-ferrous metals account for 75.58%, non-metallic materials for 17.55%, chemicals for 4.06%, and paper and packaging for 2.81% [2] - The index sample is adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [2]

从中证香港300原材料指数持仓样本的行业来看，有色金属占比73.60%、非金属材料占比19.18%、化工 占比4.12%、造纸与包装占比3.11%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。权重因子随样本定期调整而调整，调整时间与指数样本定期调整实施时间相同。在下一个定期 调整日前，权重因子一般固定不变。遇临时调整时，当中证香港300指数调整样本时，其下属的行业指 数样本随之进行相应调整。在样本公司有特殊事件发生，导致其行业归属发生变更时，将对中证香港 300行业指数系列样本进行相应调整。当样本退市时，将其从指数样本中剔除。样本公司发生收购、合 并、分拆等情形的处理，参照计算与维护细则处理。 本文源自：金融界 作者：行情君 据了解，中证香港300行业指数系列在中证香港300指数样本中，按中证行业分类标准进行分类，以进入 各一、二、三级行业的全部证券作为样本编制指数，形成中证香港300行业指数系列，以反映香港市场 不同行业的整体表现。该指数以2004年12月31日为基日，以1000.0点为基点。 从指数持仓来看，中证香港300原材料指数十大权重分别为 ...