Core Viewpoint - The China Securities Social Development Security Industry Theme Index (CSI Security) has shown mixed performance, with a recent increase of 0.58% and a year-to-date rise of 0.39% [1]. Group 1: Index Performance - The CSI Security Index rose by 2.28% over the past month, but has decreased by 3.03% over the last three months [1]. - The index was established on June 29, 2012, with a base value of 1000.0 points [1]. Group 2: Index Composition - The top ten weighted stocks in the CSI Security Index include: - Huace Testing (9.28%) - Hikvision (7.9%) - Zhongke Shuguang (3.59%) - Wanfu Biology (2.94%) - Greenme (2.88%) - Meiya Optoelectronics (2.77%) - Southern Network Technology (2.48%) - Siwei Liekong (2.48%) - Dahua Technology (2.43%) - Aerospace Zhizhuang (2.4%) [1]. - The index's holdings are primarily listed on the Shenzhen Stock Exchange (67.13%) and the Shanghai Stock Exchange (32.87%) [1]. Group 3: Industry Breakdown - The industry composition of the index includes: - Industrial sector: 42.43% - Information technology: 41.81% - Public utilities: 5.46% - Communication services: 4.97% - Healthcare: 4.88% - Financial sector: 0.45% [2]. Group 4: Index Adjustment Mechanism - The index samples are adjusted biannually, with changes implemented on the next trading day following 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]. Group 5: Related Funds - Public funds tracking the CSI Security Index include Donghai CSI Social Development Security [3].

从中证社会发展安全产业主题指数持仓的市场板块来看，深圳证券交易所占比67.16%、上海证券交易 所占比32.84%。 从中证社会发展安全产业主题指数持仓样本的行业来看，工业占比42.47%、信息技术占比41.80%、公 用事业占比5.47%、通信服务占比4.93%、医药卫生占比4.89%、金融占比0.45%。 数据统计显示，中证社会发展安全产业主题指数近一个月下跌1.85%，近三个月下跌11.26%，年至今下 跌3.54%。 据了解，中证社会发展安全产业主题指数从信息安全、环境安全、安防设备、安全检测及其他等受益于 社会发展安全的上市公司证券中选取不超过100只证券作为样本，以反映社会发展安全产业公司证券的 整体表现。该指数以2012年06月29日为基日，以1000.0点为基点。 从指数持仓来看，中证社会发展安全产业主题指数十大权重分别为：华测检测（9.48%）、海康威视 （8.05%）、中科曙光（3.6%）、万孚生物（2.93%）、美亚光电（2.91%）、格林美（2.87%）、南网 科技（2.6%）、大华股份（2.43%）、航天智装（2.35%）、思维列控（2.34%）。 金融界6月23日消息，上证指数低开 ...