Ellington(SH:603328) Xin Lang Cai Jing·2025-09-18 05:58Core Points - The stock price of Yidun Electronics increased by 5.01% to 12.58 CNY per share, with a trading volume of 529 million CNY and a turnover rate of 4.34%, resulting in a total market capitalization of 12.56 billion CNY [1] Company Overview - Yidun Electronics, established on March 2, 2000, and listed on July 1, 2014, is located in Zhongshan, Guangdong Province. The company specializes in the manufacturing and sales of high-precision, high-density double-sided and multi-layer printed circuit boards [1] - The main business revenue composition of Yidun Electronics is 100% from printed circuit boards and related products [1] Shareholder Information - Among the top circulating shareholders of Yidun Electronics, a fund under Southern Fund holds a significant position. The Southern CSI 1000 ETF (512100) increased its holdings by 883,000 shares in the second quarter, bringing its total to 4.6141 million shares, which accounts for 0.46% of the circulating shares [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, it has achieved a return of 28.17%, ranking 1822 out of 4222 in its category; over the past year, it has returned 72.87%, ranking 1263 out of 3804; and since inception, it has returned 13.43% [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 317 days, managing a total fund size of 94.976 billion CNY. During this tenure, the best fund return was 143.21%, while the worst was -15.93% [2]