中瓷电子股价跌5.38%，南方基金旗下1只基金位居十大流通股东，持有262.75万股浮亏损失1148.24万元

Group 1 - The core point of the news is that Zhongci Electronics experienced a decline of 5.38% in its stock price, reaching 76.88 yuan per share, with a trading volume of 341 million yuan and a turnover rate of 1.28%, resulting in a total market capitalization of 34.677 billion yuan [1] - Zhongci Electronics, established on August 6, 2009, and listed on January 4, 2021, is based in Shijiazhuang, Hebei Province, and specializes in the research, production, and sales of GaN communication base station RF chips and devices, SiC power modules, and electronic ceramic products [1] - The main business revenue composition of Zhongci Electronics includes 69.39% from electronic ceramic materials and components, and 45.56% from third-generation semiconductor devices and modules [1] Group 2 - From the perspective of major circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) reduced its holdings by 37,700 shares in the third quarter, now holding 2.6275 million shares, which accounts for 0.77% of the circulating shares, resulting in an estimated floating loss of approximately 11.4824 million yuan [2] - The Southern CSI 500 ETF (510500) was established on February 6, 2013, with a latest scale of 140.098 billion yuan, achieving a year-to-date return of 11.08%, ranking 883 out of 5,542 in its category, and a one-year return of 50.98%, ranking 1,274 out of 4,235 [2]