Sinnet(SZ:300383) Xin Lang Ji Jin·2026-02-27 02:48Group 1 - The core viewpoint of the news is that Guanghuan Xinnet's stock price increased by 5.32% to 17.43 CNY per share, with a trading volume of 1.809 billion CNY and a turnover rate of 5.98%, resulting in a total market capitalization of 31.332 billion CNY [1] - Guanghuan Xinnet, established on January 27, 1999, and listed on January 29, 2014, primarily engages in Internet Data Center (IDC) services and cloud computing, with revenue composition of 69.17% from cloud computing and related services, 28.83% from IDC and its value-added services, 1.40% from other services, and 0.59% from Internet broadband access services [1] Group 2 - Among the top ten circulating shareholders of Guanghuan Xinnet, a fund under Southern Fund holds a significant position, with the Southern CSI 500 ETF (510500) reducing its holdings by 617,100 shares to 21,335,700 shares, representing 1.19% of the circulating shares, and realizing a floating profit of approximately 18.7754 million CNY [2] - The Southern CSI 500 ETF (510500), established on February 6, 2013, has a latest scale of 144.69 billion CNY, with a year-to-date return of 14.65% ranking 620 out of 5,574, a one-year return of 43.89% ranking 1,030 out of 4,326, and a cumulative return since inception of 188.52% [2]