Ellington(SH:603328) Xin Lang Cai Jing·2026-02-09 05:19Group 1 - The core point of the news is that Yidun Electronics experienced a stock price increase of 5.08%, reaching 11.58 CNY per share, with a trading volume of 221 million CNY and a turnover rate of 1.93%, resulting in a total market capitalization of 11.562 billion CNY [1] - Yidun Electronics, established on March 2, 2000, and listed on July 1, 2014, is located in Zhongshan, Guangdong Province, and specializes in the manufacturing and sales of high-precision, high-density double-sided and multi-layer printed circuit boards [1] - The company's main business revenue is entirely derived from printed circuit boards and related products, accounting for 100.00% of its revenue [1] Group 2 - Among the top circulating shareholders of Yidun Electronics, a fund under Southern Fund holds a position, specifically the Southern CSI 1000 ETF (512100), which reduced its holdings by 51,600 shares in the third quarter, now holding 4.5625 million shares, representing 0.46% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 78.996 billion CNY, achieving a year-to-date return of 6% and a one-year return of 35.04% [2] - The fund manager, Cui Lei, has been in the position for 7 years and 96 days, overseeing a total fund asset size of 137.02 billion CNY, with the best fund return during the tenure being 279.97% and the worst being -15.93% [2]