Suzhou Centec (SH:688702) Xin Lang Cai Jing·2025-09-04 03:30Group 1 - The core viewpoint of the news is that 盛科通信 experienced a decline in stock price, dropping by 5.08% to 107.33 CNY per share, with a trading volume of 442 million CNY and a turnover rate of 2.00%, resulting in a total market capitalization of 44.005 billion CNY [1] - 盛科通信, 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. The main revenue composition 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 - 南方中证500ETF (510500) is among the top ten circulating shareholders of 盛科通信, having newly entered this list in the second quarter with 1.8585 million shares, accounting for 0.92% of the circulating shares. The estimated floating loss today is approximately 10.6863 million CNY [2] - The 南方中证500ETF (510500) was established on February 6, 2013, with a latest scale of 113.438 billion CNY. Year-to-date returns are 21.5%, ranking 1944 out of 4222 in its category, while the one-year return is 51.34%, ranking 1597 out of 3789. Since inception, the return is 130.54% [2]