金融界7月16日消息，上证指数低开震荡，中证香港300低贝塔指数 (H300LB，H30231)报1826.59点。 从中证香港300低贝塔指数持仓样本的行业来看，公用事业占比17.51%、工业占比15.50%、金融占比 14.35%、通信服务占比10.70%、房地产占比9.16%、可选消费占比8.43%、主要消费占比8.37%、能源占 比6.01%、原材料占比4.38%、医药卫生占比4.32%、信息技术占比1.27%。 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是每年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。特殊情况下将对中证香港策略指数系列进行临时调整。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、停牌等情形的处理，参照计算与维护细 则处理。 据了解，中证香港策略指数系列从多种策略投资的角度反映了在香港交易所上市证券的整体表现。该指 数以2005年12月30日为基日，以1000.0点为基点。 从指数持仓来看，中证香港300低贝塔指数十大权重分别为：伟禄集团（ ...

Core Points - The China Securities Hong Kong 300 Low Beta Index (H300LB) reported a value of 1796.42 points, showing a monthly increase of 3.23%, a three-month increase of 19.10%, and a year-to-date increase of 11.82% [1] Group 1: Index Overview - The China Securities Hong Kong 300 Low Beta Index reflects the overall performance of securities listed on the Hong Kong Stock Exchange from various strategic investment perspectives, with a base date of December 30, 2005, set at 1000.0 points [1] - The top ten holdings of the index include: - Weilu Group (2.2%) - CLP Holdings (2.12%) - Qutoutiao Group (2.1%) - Cheung Kong Infrastructure (2.07%) - Power Assets Holdings (1.88%) - PCCW (1.84%) - Cathay Pacific Airways (1.68%) - Nine Dragons Paper (1.58%) - China Resources Power (1.51%) - Hong Kong and China Gas (1.48%) [1] Group 2: Sector Allocation - The sector allocation of the index holdings is as follows: - Utilities: 17.55% - Industrials: 15.27% - Financials: 14.46% - Communication Services: 10.61% - Real Estate: 9.24% - Consumer Staples: 8.53% - Consumer Discretionary: 8.46% - Energy: 5.95% - Materials: 4.36% - Health Care: 4.30% - Information Technology: 1.28% [2] - The index sample is adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2]