金融界8月18日消息，上证指数高开高走，中证国新央企科技引领指数 (央企科技引领，932038)上涨 1.82%，报1401.72点，成交额674.62亿元。 数据统计显示，中证国新央企科技引领指数近一个月上涨7.34%，近三个月上涨14.86%，年至今上涨 8.78%。 据了解，中证国新央企科技引领指数由国新投资有限公司定制，主要选取国务院国资委下属业务涉及航 空航天与国防、计算机、电子、半导体、通信设备及技术服务等行业的50只上市公司证券作为指数样 本，以反映央企科技主题上市公司证券的整体表现。该指数以2016年12月30日为基日，以1000.0点为基 点。 从中证国新央企科技引领指数持仓的市场板块来看，上海证券交易所占比57.58%、深圳证券交易所占 比42.42%。 从中证国新央企科技引领指数持仓样本的行业来看，信息技术占比49.93%、工业占比37.98%、通信服 务占比12.08%。 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 ...

Group 1 - The core index, the China Securities National New Central Enterprise Technology Leading Index, has shown a 5.67% increase over the past month, an 8.63% increase over the past three months, and a 6.56% increase year-to-date [1] - The index is designed by Guoxin Investment Co., Ltd., selecting 50 listed companies from industries such as aerospace, defense, computer, electronics, semiconductors, and communication equipment to reflect the overall performance of central enterprise technology theme stocks [1] - The top ten weighted stocks in the index include Hikvision (9.16%), AVIC Shenyang Aircraft (6.8%), Changdian Technology (6.29%), AVIC Optoelectronics (6.08%), Shenzhen South Circuit (5.52%), Aero Engine Corporation of China (5.04%), AVIC Chengfei (3.63%), Guangxun Technology (3.42%), Shanghai Beiling (3.3%), and Lanke Technology (2.93%) [1] Group 2 - The index's holdings are primarily composed of 49.07% in information technology, 39.18% in industrials, and 11.76% in communication services [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Public funds tracking the index include various funds from E Fund, Yinhua, and Southern Asset Management, specifically designed to follow the China Securities National New Central Enterprise Technology Leading Index [2]

Group 1 - The core index, the China Securities National New State-Owned Enterprise Technology Leading Index, experienced a slight decline of 0.22%, closing at 1262.6 points with a trading volume of 27.628 billion yuan [1] - Over the past month, the index has increased by 5.31%, while it has seen a 4.44% rise over the last three months, and a negligible decline of 0.01% year-to-date [1] - The index is customized by Guoxin Investment Co., Ltd., comprising 50 listed companies in sectors such as aerospace, defense, computer, electronics, semiconductors, and communication equipment [1] Group 2 - The top ten weighted stocks in the index include Hikvision (9.46%), AVIC Shenyang Aircraft (6.92%), AVIC Optoelectronics (6.58%), Changjiang Electronics (6.49%), and others [1] - The index's holdings are primarily listed on the Shanghai Stock Exchange (58.27%) and the Shenzhen Stock Exchange (41.73%) [1] - The industry composition of the index shows that information technology accounts for 49.75%, industrials for 39.66%, and communication services for 10.59% [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers or acquisitions [2] - Public funds tracking the index include various funds from E Fund, Yinhua, and Southern Asset Management [2]