BJCA(SZ:300579) Xin Lang Cai Jing·2025-09-08 06:36Group 1 - Digital Certification's stock price increased by 6.81% to 36.71 CNY per share, with a trading volume of 302 million CNY and a turnover rate of 3.23%, resulting in a total market capitalization of 9.912 billion CNY [1] - The company, Beijing Digital Certification Co., Ltd., was established on February 28, 2001, and went public on December 23, 2016. Its main business includes electronic certification services, security integration, security consulting, and operation and maintenance services [1] - The revenue composition of Digital Certification is as follows: electronic certification services 31.24%, network security services 29.16%, network security products 28.36%, and network security integration 11.24% [1] Group 2 - Southern Fund's Southern CSI 1000 ETF (512100) entered the top ten circulating shareholders of Digital Certification in the second quarter, holding 1.2469 million shares, which accounts for 0.48% of the circulating shares, with an estimated floating profit of approximately 2.9177 million CNY [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY. Year-to-date return is 22.9%, ranking 1832 out of 4223 in its category; the one-year return is 59.53%, ranking 1314 out of 3796; and since inception, the return is 8.76% [2] Group 3 - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 307 days. The total asset scale under management is 94.976 billion CNY, with the best fund return during the tenure being 137.42% and the worst being -17.29% [3]