Core Viewpoint - Guangxun Technology's stock has experienced a significant decline, with a 9.83% drop over the last four days, leading to a current price of 59.08 CNY per share and a market capitalization of 47.669 billion CNY [1] Group 1: Company Overview - Guangxun Technology, established on January 22, 2001, and listed on August 21, 2009, is located in Wuhan, Hubei Province. The company specializes in the research, production, sales, and technical services of optoelectronic devices and subsystems [1] - The company's main business revenue composition is as follows: Data and Access 70.86%, Transmission 28.94%, Other 0.20% [1] Group 2: Shareholder Analysis - E Fund's ETF, the E Fund CSI Artificial Intelligence Theme ETF (159819), is among the top ten circulating shareholders of Guangxun Technology, having increased its holdings by 129,000 shares in Q2, totaling 4.1583 million shares, which represents 0.54% of circulating shares [2] - The estimated floating loss for E Fund CSI Artificial Intelligence Theme ETF today is approximately 12.9323 million CNY, with a total floating loss of 28.1933 million CNY over the four-day decline [2] - The E Fund CSI Artificial Intelligence Theme ETF has a current size of 16.578 billion CNY and has achieved a year-to-date return of 62.53% [2] Group 3: Fund Performance - E Fund's ETF, the E Fund CSI National New Central Enterprise Technology Leading ETF (563050), has reduced its holdings in Guangxun Technology by 14,100 shares, now holding 170,300 shares, which constitutes 3.46% of the fund's net value [3] - The estimated floating loss for this ETF today is about 52,960 CNY, with a total floating loss of 115,460 CNY during the four-day decline [3] - The E Fund CSI National New Central Enterprise Technology Leading ETF has a current size of 243 million CNY and has recorded a year-to-date return of 26.83% [3]

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 ...