从中证香港300能源指数持仓样本的行业来看，燃油炼制占比42.22%、综合性石油与天然气企业占比 32.67%、煤炭占比22.80%、油田服务占比1.58%、焦炭占比0.73%。 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 金融界8月4日消息，上证指数低开高走，中证香港300能源指数 (H300能源，L11220)报2542.83点。 数据统计显示，中证香港300能源指数近一个月上涨7.18%，近三个月上涨14.57%，年至今上涨2.36%。 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， ...

Core Viewpoint - The China Securities Index Hong Kong 300 Energy Index has shown significant growth, with a 11.96% increase over the past month, 19.68% over the past three months, and a 6.93% increase year-to-date [1] Group 1: Index Performance - The China Securities Index Hong Kong 300 Energy Index is currently at 2656.17 points [1] - The index is designed to reflect the overall performance of different industries in the Hong Kong market, based on the China Securities Industry Classification Standards [1] Group 2: Index Composition - The index is composed entirely of securities listed on the Hong Kong Stock Exchange, with a 100% allocation [1] - The sector breakdown of the index includes: - Oil refining: 41.59% - Integrated oil and gas companies: 33.45% - Coal: 22.70% - Oilfield services: 1.55% - Coking: 0.72% [1] Group 3: Sample Adjustment - The index samples are adjusted biannually, specifically 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 in response to significant events affecting sample companies [2]

Group 1 - The core viewpoint of the article highlights the performance of the China Securities Hong Kong 100 Energy Index, which has shown significant increases over various time frames, including an 11.82% rise in the past month, a 19.37% rise in the past three months, and a 6.91% increase year-to-date [1] - The index is classified according to the China Securities industry classification standards, with a base date of December 31, 2004, and a base point of 1000.0 [1] Group 2 - The China Securities Hong Kong 100 Energy Index is fully composed of stocks listed on the Hong Kong Stock Exchange, with fuel refining accounting for 46.32%, integrated oil and gas companies for 37.77%, and coal for 15.91% of the index [2] - The index samples are adjusted biannually, specifically on the next trading day after the second Friday of June and December, with weight factors fixed until the next scheduled adjustment unless special circumstances arise [2]

Core Viewpoint - The China Securities Index Hong Kong 300 Energy Index has shown significant growth, with a 8.00% increase over the past month, 15.98% over the past three months, and a 3.91% increase year-to-date [1]. Group 1: Index Performance - The China Securities Index Hong Kong 300 Energy Index is currently at 2581.38 points [1]. - The index reflects the overall performance of different industries in the Hong Kong market, categorized according to the China Securities Industry Classification Standard [1]. Group 2: Index Composition - The index is composed entirely of securities listed on the Hong Kong Stock Exchange, with a 100.00% allocation [1]. - The sector breakdown of the index includes: - Oil refining at 41.93% - Integrated oil and gas companies at 32.52% - Coal at 23.28% - Oilfield services at 1.56% - Coking at 0.72% [1]. Group 3: Sample Adjustment - The index samples are adjusted biannually, specifically 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 in response to changes in the underlying index [2].

Core Viewpoint - The China Securities Hong Kong 100 Energy Index (H100 Energy) has shown a recent decline, with a 1.81% drop over the past month, but a 13.60% increase over the last three months, and a year-to-date increase of 0.78% [2]. Group 1: Index Performance - The H100 Energy Index reported a value of 2485.04 points as of July 16 [1]. - The index has experienced a monthly decline of 1.81%, a quarterly increase of 13.60%, and a year-to-date increase of 0.78% [2]. Group 2: Index Composition - The H100 Energy Index is entirely composed of stocks listed on the Hong Kong Stock Exchange, with a 100% allocation [3]. - The sector breakdown of the index includes 47.50% in oil refining, 36.74% in integrated oil and gas companies, and 15.76% in coal [3]. Group 3: 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 [3]. - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [3].

Core Viewpoint - The China Securities Hong Kong 100 Energy Index (H100 Energy) has shown mixed performance, with a recent decline of 1.51% over the past month, a slight increase of 0.52% over the last three months, and a year-to-date decrease of 2.39% [1]. Group 1: Index Performance - The H100 Energy Index closed at 2407.00 points [1]. - The index has experienced a decline of 1.51% in the last month [1]. - Year-to-date, the index has decreased by 2.39% [1]. Group 2: Index Composition - The H100 Energy Index is entirely composed of stocks listed on the Hong Kong Stock Exchange, with a 100.00% allocation [2]. - The sector breakdown of the index shows that fuel refining accounts for 48.19%, integrated oil and gas companies for 36.24%, and coal for 15.57% [2]. Group 3: Index Adjustment Mechanism - The index samples are adjusted biannually, specifically 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 special circumstances allowing for temporary adjustments [2]. - Adjustments occur in response to changes in the parent index, special events affecting sample companies, or if a sample company is delisted [2].

Group 1 - The Shanghai Composite Index opened lower but rose later, with the Shanghai Energy Industry Layered Equal-Weight Index down by 1.71% to 2502.08 points, with a trading volume of 14.174 billion yuan [1] - The Shanghai Energy Industry Layered Equal-Weight Index has increased by 1.24% in the past month, decreased by 4.91% in the past three months, and has fallen by 10.24% year-to-date [1] - The index includes companies from eleven primary industries, providing diversified investment targets through market capitalization weighting and equal weighting within secondary industries [1] Group 2 - The top ten holdings of the Shanghai Energy Industry Layered Equal-Weight Index include: Continental Oil & Gas (3.64%), China Coal Energy (3.53%), China National Petroleum (3.46%), Sinopec Oilfield Service (3.44%), China Oil Engineering (3.44%), Shaanxi Coal and Chemical Industry (3.44%), CNOOC Engineering (3.39%), CNOOC Development (3.39%), China National Offshore Oil Service (3.38%), and Shanghai Petrochemical (3.37%) [1] - The index's holdings are entirely from the Shanghai Stock Exchange, with coal accounting for 46.42%, oilfield services for 13.60%, coke for 12.94%, fuel refining for 10.31%, integrated oil and gas companies for 6.75%, oil and gas extraction for 3.44%, oil and gas circulation and others for 3.35%, and natural gas processing for 3.19% [2]

Core Viewpoint - The Shanghai Composite Index opened lower but rose throughout the day, while the CSI 300 Energy Index experienced a slight decline of 0.31%, closing at 2091.25 points with a trading volume of 3.741 billion yuan [1] Group 1: Index Performance - The CSI 300 Energy Index has increased by 5.18% over the past month, decreased by 5.26% over the last three months, and has fallen by 13.60% year-to-date [1] - The CSI 300 Industry Index series categorizes 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing analytical tools for investors [1] Group 2: Index Composition - The top ten weighted stocks in the CSI 300 Energy Index are: China Shenhua (24.96%), China Petroleum (17.91%), China Petrochemical (16.29%), Shaanxi Coal and Chemical Industry (14.81%), China National Offshore Oil Corporation (10.27%), Yanzhou Coal Mining (4.37%), China Coal Energy (3.64%), Shanxi Coking Coal (3.59%), Lu'an Environmental Energy (2.59%), and CNOOC Services (1.56%) [1] - In terms of industry composition, coal accounts for 50.37%, integrated oil and gas companies for 34.20%, fuel refining for 10.27%, coke for 3.59%, and oilfield services for 1.56% within the index [2] Group 3: Sample Adjustment - The index samples are adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, but can be modified in the event of temporary adjustments due to changes in the CSI 300 Index samples or special events affecting a sample company's industry classification [2]

Group 1 - The core viewpoint of the articles highlights the performance of the China Securities Hong Kong 300 Energy Index, which has seen a decline of 7.31% in the past month, 8.77% in the past three months, and 10.93% year-to-date [1] - The top ten holdings of the China Securities Hong Kong 300 Energy Index include China National Offshore Oil (41.44%), PetroChina (17.49%), China Shenhua Energy (13.95%), Sinopec (13.62%), and others, indicating a concentration in a few major companies [1] - The index is designed to reflect the overall performance of different industries in the Hong Kong market, with a base date of December 31, 2004, set at 1000.0 points [1] Group 2 - The market segments represented in the China Securities Hong Kong 300 Energy Index are entirely from the Hong Kong Stock Exchange, with fuel refining accounting for 42.01%, integrated oil and gas companies for 31.12%, and coal for 24.17% [2] - The index samples are 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] - Adjustments to the index samples occur in response to special events affecting the companies, such as mergers or delistings, ensuring the index remains reflective of the current market landscape [2]

Core Points - The Shanghai Composite Index opened high and the China Securities Hong Kong 100 Energy Index (H100 Energy) reported at 2211.74 points [1] - The China Securities Hong Kong 100 Energy Index has seen a decline of 6.97% over the past month, 6.89% over the past three months, and 10.44% year-to-date [2] Industry Analysis - The China Securities Hong Kong 100 Energy Index is fully composed of stocks listed on the Hong Kong Stock Exchange, with fuel refining accounting for 48.23%, integrated oil and gas companies for 35.85%, and coal for 15.93% of the index [3] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [3] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [3]