金融界4月11日消息，上证指数低开高走，中证全指水公用事业指数 (水务指数，H30218)报2179.88点。 数据统计显示，中证全指水公用事业指数近一个月上涨0.07%，近三个月上涨4.36%，年至今下跌 4.08%。 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，当中证全指指数调整样本时，中证全指行业指数样 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，将对中证全指行业指 数样本进行相应调整。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。 据了解，为反映中证全指指数样本中不同行业公司证券的整体表现，为投资者提供分析工具，将中证全 指指数样本按中证行业分类分为11个一级行业、35个二级行业、90余个三级行业及200余个四级行业， 再以进入各一、二、三、四级行业的全部证券作为样本编制指数，形成中证全指行业指数。该指数以 2004年12月31日为 ...

Core Points - The CSI All Share Oil and Gas Extraction and Oilfield Services Index opened at 3989.28 points and has seen a decline of 2.47% in the past month, 1.93% in the past three months, and 6.22% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the CSI All Share Index, categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Index Composition - The top ten weighted companies in the CSI All Share Oil and Gas Extraction and Oilfield Services Index are: CNOOC Engineering (14.9%), Jereh (14.77%), CNOOC Development (9.84%), China Oilfield Services (9.69%), Sinopec Oilfield Service (9.31%), China National Petroleum Engineering (6.66%), Hongtian (3.84%), Sinopec Machinery (3.69%), Deweier (2.98%), and Haimer Technology (2.96%) [1] - The market segments of the index holdings show that the Shanghai Stock Exchange accounts for 62.59%, the Shenzhen Stock Exchange for 36.79%, and the Beijing Stock Exchange for 0.62% [2] - In terms of industry composition, oilfield services represent 50.78% and oil and gas extraction represent 49.22% of the index holdings [2] Index Adjustment - The index samples are adjusted semi-annually, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the sample adjustments, which are generally fixed until the next scheduled adjustment [2] - Temporary adjustments occur when the CSI All Share Index samples are modified, and changes in industry classification due to special events will also prompt corresponding adjustments in the index samples [2]

Core Viewpoint - The China Securities Hong Kong 300 Materials Index has shown a decline of 10.78% over the past month, but has increased by 1.65% over the last three months and 1.64% year-to-date [1] Group 1: Index Performance - The China Securities Hong Kong 300 Materials Index reported a value of 1661.44 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] - The index was established on December 31, 2004, with a base point of 1000.0 [1] Group 2: Index Holdings - The top ten weighted stocks in the China Securities Hong Kong 300 Materials Index are Zijin Mining (26.22%), China Hongqiao (10.23%), Anhui Conch Cement (8.34%), Zhaojin Mining (7.45%), Luoyang Molybdenum (5.7%), Xinyi Glass (5.15%), China Aluminum (4.53%), Shandong Gold (4.47%), China National Building Material (4.28%), and Dongyue Group (4.12%) [1] - The index's holdings are entirely composed of stocks listed on the Hong Kong Stock Exchange, with a 100% allocation [1] Group 3: Industry Composition - The industry composition of the index holdings includes non-ferrous metals (73.60%), non-metallic materials (19.18%), chemicals (4.12%), and paper and packaging (3.11%) [2] - The index sample is adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the underlying index [2]

从中证全指信息技术服务指数持仓样本的行业来看，系统集成服务占比57.85%、其他IT与互联网服务 占比25.36%、云计算服务占比16.79%。 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，当中证全指指数调整样本时，中证全指行业指数样 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，将对中证全指行业指 数样本进行相应调整。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。 从指数持仓来看，中证全指信息技术服务指数十大权重分别为：软通动力（6.94%）、用友网络 （6.54%）、光环新网（5.09%）、东华软件（4.95%）、汉得信息（4.06%）、云天励飞（3.02%）、国 联股份（2.81%）、云从科技（2.72%）、浙大网新（2.46%）、佳都科技（2.34%）。 从中证全指信息技术服务指数持仓的市场板块来看，深圳证券交易所占比66.94%、上 ...

Core Points - The Shanghai and Shenzhen 300 Food and Beverage Index is reported at 24,563.26 points, with a recent one-month increase of 6.60% and a year-to-date increase of 0.73% [1] - The index is composed of 300 sample stocks categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] - The top ten weighted stocks in the index include Kweichow Moutai (51.19%), Wuliangye (13.41%), Yili (9.35%), Shanxi Fenjiu (5.36%), and others [1] Market Composition - The Shanghai Stock Exchange accounts for 75.29% of the holdings in the index, while the Shenzhen Stock Exchange accounts for 24.71% [2] - In terms of industry composition, liquor represents 80.91%, dairy products 9.35%, condiments and cooking oils 4.48%, soft drinks 2.45%, meat products 1.41%, and beer 1.40% [2] Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the Shanghai and Shenzhen 300 Index samples [2] - Special events affecting sample companies may lead to adjustments in the industry index samples, including delisting or corporate actions such as mergers and acquisitions [2]