Group 1 - The Shanghai Composite Index opened high and rose, with the Shanghai 180 Infrastructure Index increasing by 1.19% to 1889.98 points and a trading volume of 39.504 billion yuan [1] - The Shanghai 180 Infrastructure Index has seen a decline of 2.53% over the past month, 1.62% over the past three months, and 3.00% year-to-date [2] - The index is based on the Shanghai 180 Index and includes listed companies in infrastructure, resources, and transportation themes, reflecting their overall performance in the secondary market [2] Group 2 - The top ten weighted stocks in the Shanghai 180 Infrastructure Index include: Yangtze Power (13.97%), China Telecom (8.57%), China State Construction (8.4%), China Mobile (7.18%), China Unicom (6.69%), China Nuclear Power (5.47%), Three Gorges Energy (4.45%), China Railway (4.31%), China Power Construction (3.9%), and Guodian Power (3.1%) [2] - The index's holdings are entirely from the Shanghai Stock Exchange, with the public utility sector accounting for 40.05%, industrial sector for 36.17%, and communication services for 23.79% [3] - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [3]

从指数持仓来看，上证 180 基建指数十大权重分别为：长江电力（14.26%）、中国建筑（8.58%）、中 国电信（8.28%）、中国移动（7.12%）、中国联通（6.14%）、中国核电（5.49%）、三峡能源 （4.5%）、中国电建（4.45%）、中国中铁（4.28%）、国电电力（2.97%）。 金融界7月30日消息，A股三大指数收盘涨跌不一，上证 180 基建指数 (180基建，000025)上涨0.22%， 报1883.26点，成交额294.32亿元。 数据统计显示，上证 180 基建指数近一个月上涨0.84%，近三个月上涨1.78%，年至今下跌2.41%。 据了解，上证180主题指数系列是在上证180指数的基础上，分别选择符合基建、资源和运输等主题概念 的上市公司证券作为指数样本，以反映其在二级市场的整体表现。该指数以2002年06月28日为基日，以 1000.0点为基点。 从上证 180 基建指数持仓的市场板块来看，上海证券交易所占比100.00%。 从上证 180 基建指数持仓样本的行业来看，公用事业占比40.30%、工业占比36.92%、通信服务占比 22.78%。 资料显示，指数样本每半年调整 ...