Suzhou Centec (SH:688702) Xin Lang Cai Jing·2025-11-04 07:18Group 1 - The core point of the news is that Shengke Communication's stock has experienced a decline of 3.28% on November 4, with a cumulative drop of 8.38% over three consecutive days, leading to a market capitalization of 469.53 billion yuan [1] - Shengke Communication, established on January 31, 2005, specializes in the research, design, and sales of Ethernet switching chips and related products, with its main revenue sources being Ethernet switching chips (72.43%), Ethernet switching 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 has reduced its holdings in the Southern CSI 500 ETF (510500) by 52,000 shares in the third quarter, now holding 1.8064 million shares, which accounts for 0.89% of the circulating shares, resulting in a floating loss of approximately 7.009 million yuan today and a total floating loss of 18.9316 million yuan during the three-day decline [2] - The Southern CSI 500 ETF (510500), managed by fund manager Luo Wenjie, has a total asset scale of 1,704.45 billion yuan, with a year-to-date return of 30.01% and a one-year return of 27.58% [3]