CHANGELIGHT(SZ:300102) Xin Lang Cai Jing·2025-09-03 05:47Group 1 - The core viewpoint of the news is that Qianzhao Optoelectronics experienced a decline in stock price, dropping by 5.08% to 13.46 CNY per share, with a trading volume of 476 million CNY and a turnover rate of 3.77%, resulting in a total market capitalization of 12.388 billion CNY [1] - Qianzhao Optoelectronics, established on February 21, 2006, and listed on August 12, 2010, is located in Xiamen, Fujian Province, and specializes in the research, production, and sales of semiconductor optoelectronic products. The main business revenue composition is 50.31% from other products and 49.69% from epitaxial wafers and chips [1] Group 2 - From the perspective of the top ten circulating shareholders, Southern Fund has a fund that ranks among the top ten shareholders of Qianzhao Optoelectronics. The Southern CSI 1000 ETF (512100) entered the top ten shareholders in the second quarter, holding 5.9723 million shares, which accounts for 0.65% of the circulating shares. The estimated floating loss today is approximately 4.3001 million CNY [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY. Year-to-date returns are 24.03%, ranking 1748 out of 4222 in its category; the one-year return is 62.92%, ranking 1228 out of 3783; and the return since inception is 9.76% [2]