Group 1 - The Shanghai Composite Index increased by 0.21%, while the China Securities Index for the aviation transportation sector reported 1356.81 points [1] - The China Securities Index for aviation transportation rose by 3.10% over the past month and 5.32% over the past three months, but has decreased by 6.20% year-to-date [1] - The China Securities Index samples are categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, with a base date of December 31, 2004, set at 1000.0 points [1] Group 2 - The aviation transportation sector accounts for 100.00% of the holdings in the China Securities Index sample [2] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Temporary adjustments to the index sample occur when there are changes in the sample companies, such as delisting or significant corporate events [2]

金融界5月20日消息，上证指数上涨0.38%，中证500工业指数 (500工业，H30252)下跌0.03%，报 5406.74点，成交额326.74亿元。 从中证500工业指数持仓的市场板块来看，上海证券交易所占比55.89%、深圳证券交易所占比44.11%。 从中证500工业指数持仓样本的行业来看，电力设备占比32.34%、机械制造占比26.57%、航空航天与国 防占比19.78%、交通运输占比8.51%、建筑装饰占比5.53%、商业服务与用品占比4.54%、环保占比 2.73%。 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500指数调整样本时，中证500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500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。 数据统计显示，中证500工业指 ...

Group 1 - The Shanghai Composite Index decreased by 0.40%, while the China Securities 800 Insurance Index reported at 867.57 points [1] - The China Securities 800 Insurance Index has increased by 9.55% in the past month, 4.55% in the past three months, and 2.03% year-to-date [2] - The index is designed to reflect the overall performance of different industry companies within the China Securities 800 Index, categorized into 11 primary industries and 35 secondary industries [2] Group 2 - The China Securities 800 Insurance Index is fully composed of stocks listed on the Shanghai Stock Exchange, with a 100% allocation [3] - The holdings within the index are primarily diversified insurance at 83.82%, followed by life and health insurance at 13.02%, and property and casualty insurance at 3.17% [3] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [3]

Group 1 - The Shanghai Composite Index decreased by 0.40%, while the CSI 300 Food and Beverage Index reported at 25115.40 points [1] - The CSI 300 Food and Beverage Index has increased by 2.16% in the past month, 7.78% in the past three months, and 2.99% year-to-date [2] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, with a base date of December 31, 2004, and a base point of 1000.0 [2] Group 2 - The top ten weights in the CSI 300 Food and Beverage Index are: Kweichow Moutai (51.86%), Wuliangye (13.12%), Yili (9.68%), Shanxi Fenjiu (5.17%), Luzhou Laojiao (4.78%), Haitian Flavoring (3.64%), Dongpeng Beverage (2.92%), Yanghe (2.1%), Jinshiyuan (1.82%), and Gujing Gongjiu (1.36%) [2] - The market share of the CSI 300 Food and Beverage Index is 76.40% from the Shanghai Stock Exchange and 23.60% from the Shenzhen Stock Exchange [2] Group 3 - The industry composition of the CSI 300 Food and Beverage Index includes: Baijiu (80.20%), Dairy Products (9.68%), Condiments and Edible Oils (4.59%), Soft Drinks (2.92%), Beer (1.31%), and Meat Products (1.30%) [3] - The index sample is adjusted biannually, with adjustments implemented on the next trading day after the second Friday of June and December [3] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [3]

Group 1 - The core index of the shipping sector, the China Securities Index Shipping Index, closed at 2040.95 points, showing a decline of 3.38% over the past month, 4.74% over the past three months, and 6.18% year-to-date [1] - The index is composed of various industry companies classified into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [1] - The top ten weighted companies in the shipping index include COSCO Shipping Holdings (16.61%), China Merchants Energy Shipping (15.28%), COSCO Shipping Energy Transportation (12.87%), and others, indicating a concentration in a few key players [1] Group 2 - The shipping sector accounts for 100.00% of the index sample, highlighting its exclusive focus on this industry [2] - The index sample is adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December, ensuring that the weight factors are updated accordingly [2] - Special events affecting sample companies, such as mergers or delistings, will lead to corresponding adjustments in the index sample, maintaining its relevance and accuracy [2]

Group 1 - The Shanghai Composite Index opened lower but rose later, with the CSI 300 Chemical Index reported at 2022.67 points [1] - The CSI 300 Chemical Index has decreased by 11.64% over the past month, 9.12% over the past three months, and 8.64% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Chemical Index are: Wanhua Chemical (23.47%), Salt Lake Industry (14.14%), Baofeng Energy (7.62%), Juhua Co. (7.3%), Hengli Petrochemical (7.28%), Hualu Hengsheng (6.99%), Longbai Group (6.23%), Zangge Mining (6.19%), Satellite Chemical (6.02%), and Rongsheng Petrochemical (5.53%) [1] - The market share of the CSI 300 Chemical Index is 57.05% from the Shanghai Stock Exchange and 42.95% from the Shenzhen Stock Exchange [1] Group 3 - In terms of industry composition, other chemical raw materials account for 38.28%, polyurethane for 23.47%, potassium fertilizer for 20.33%, fluorochemical for 7.30%, titanium dioxide for 6.23%, and organic silicon for 4.39% [2] - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 Index samples are modified [2]

Group 1 - The core index of major consumption in the A-share market rose by 0.48% to 16,568.67 points, with a trading volume of 25.121 billion yuan [1] - Over the past month, the major consumption index has decreased by 1.51%, increased by 6.28% over the past three months, and has risen by 1.44% year-to-date [1] - The major consumption index is composed of 11 primary industries and 35 secondary industries, reflecting the overall performance of different industry companies within the CSI 800 index [1] Group 2 - The top ten weights in the major consumption index are: Yili (10.26%), Kweichow Moutai (10.22%), Wuliangye (9.04%), Muyuan Foods (7.21%), Shanxi Fenjiu (6.89%), Luzhou Laojiao (6.23%), Wens Foodstuff (5.97%), Haitian Flavoring (4.68%), Dongpeng Beverage (3.7%), and Yanghe Distillery (2.84%) [1] - The market share of the major consumption index is divided between the Shanghai Stock Exchange (51.03%) and the Shenzhen Stock Exchange (48.97%) [1] Group 3 - The major consumption index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, but can be modified in case of temporary adjustments due to changes in the CSI 800 index sample [2] - Special events affecting sample companies may lead to adjustments in the industry classification and index sample [2]

从中证全指航运指数持仓的市场板块来看，上海证券交易所占比91.77%、深圳证券交易所占比8.23%。 从中证全指航运指数持仓样本的行业来看，航运占比100.00%。 金融界4月11日消息，上证指数低开高走，中证全指航运指数 (航运指数，H30216)报2042.14点。 数据统计显示，中证全指航运指数近一个月下跌2.60%，近三个月下跌0.88%，年至今下跌6.13%。 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日为基日，以1000.0点为基点。 从指数持仓来看，中证全指航运指数十大权重分别为：中远海控（16.2%）、招商轮船（15.65%）、中 远海能（12.63%）、招商南油（9.63%）、中谷物流（7.58%）、安通控股（7.48%）、中远海特 （5.84%）、海航科技（4.23%）、海峡股份（3.72%）、凤凰航运（2.61%）。 资料显示，指数 ...

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]