Runjian (SZ:002929) Xin Lang Cai Jing·2026-01-16 02:59Group 1 - The core point of the news is that Runjian Co., Ltd. experienced a stock price decline of 5.28% on January 16, with a trading price of 46.46 yuan per share and a total market capitalization of 13.199 billion yuan [1] - Runjian's main business activities include communication network construction services (43.57% of revenue), energy network services (27.36%), information network services (21.90%), and computing network services (7.10%) [1] - The company is headquartered in Guangzhou, Guangdong Province, and was established on January 3, 2003, with its stock listed on March 1, 2018 [1] Group 2 - Southern Fund's Southern CSI 1000 ETF (512100) has recently entered the top ten circulating shareholders of Runjian, holding 1.3007 million shares, which is 0.62% of the circulating shares [2] - The Southern CSI 1000 ETF has a total scale of 76.63 billion yuan and has achieved a year-to-date return of 8.51% [2] - The fund manager, Cui Lei, has been in position for 7 years and has managed a total fund size of 122.76 billion yuan, with the best return during the tenure being 234.52% [3]