Suzhou Centec (SH:688702) Xin Lang Cai Jing·2025-12-01 02:47Group 1 - The core point of the news is that Shengke Communication's stock price dropped by 5.02% to 126.80 CNY per share, with a trading volume of 413 million CNY and a turnover rate of 1.55%, resulting in a total market capitalization of 51.988 billion CNY [1] - Shengke Communication, established on January 31, 2005, and listed on September 14, 2023, specializes in the research, design, and sales of Ethernet switch chips and related products [1] - The main revenue composition of Shengke Communication includes Ethernet switch chips (72.43%), Ethernet switch chip modules (11.94%), Ethernet switches (10.48%), customized solutions and others (3.18%), and licensing (1.97%) [1] Group 2 - Among the top ten circulating shareholders of Shengke Communication, a fund under Southern Fund holds a position, specifically the Southern CSI 500 ETF (510500), which reduced its holdings by 52,000 shares in the third quarter, now holding 1.8064 million shares, accounting for 0.89% of circulating shares [2] - The estimated floating loss for the Southern CSI 500 ETF today is approximately 12.1032 million CNY [2] - The Southern CSI 500 ETF was established on February 6, 2013, with a latest scale of 140.098 billion CNY, achieving a year-to-date return of 24.71% and a one-year return of 23.98% [2]