金融界7月7日消息，A股三大指数收盘涨跌不一，中证香港100能源指数 (H100能源，L11180)报2407.00 点。 数据统计显示，中证香港100能源指数近一个月下跌1.51%，近三个月上涨0.52%，年至今下跌2.39%。 据了解，中证香港100行业指数系列将中证香港100指数样本按中证行业分类标准进行分类，再以各自行 业全部证券作为对应行业指数的样本。该指数以2004年12月31日为基日，以1000.0点为基点。 从中证香港100能源指数持仓的市场板块来看，香港证券交易所占比100.00%。 从中证香港100能源指数持仓样本的行业来看，燃油炼制占比48.19%、综合性石油与天然气企业占比 36.24%、煤炭占比15.57%。 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。特殊情况下将对指数进行临时调整。当对应的母指数调整样本时， 行业指数样本将相应调整。当样本公司有特殊事件发生，导致其行业归属发生变更时，将对指数进行相 应调整。当 ...

Core Points - The Shanghai Composite Index opened lower and fluctuated, while the China Securities Hong Kong 100 Energy Index (H100 Energy) reported at 2218.52 points [1] Group 1: Index Performance - The China Securities Hong Kong 100 Energy Index has decreased by 6.72% over the past month, 6.51% over the past three months, and 10.03% year-to-date [2] Group 2: Index Composition - The Hong Kong Stock Exchange accounts for 100.00% of the holdings in the China Securities Hong Kong 100 Energy Index [3] - The industry composition of the index includes 48.29% in oil refining, 34.98% in integrated oil and gas companies, and 16.72% in coal [3] Group 3: Index Adjustment Mechanism - 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 [3] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [3]