TDG(SH:600330) Xin Lang Cai Jing·2025-12-26 02:53Group 1 - The core viewpoint of the news is that Tiantong Co., Ltd. experienced a stock price increase of 5.2%, reaching 13.15 yuan per share, with a total market capitalization of 16.22 billion yuan [1] - Tiantong Co., Ltd. is primarily engaged in the research, manufacturing, and sales of electronic materials, which account for 86.57% of its main business revenue, along with specialized equipment manufacturing and installation services at 9.38%, and other material sales at 4.05% [1] - The company is located in Haining Economic Development Zone, Zhejiang Province, and was established on February 10, 1999, with its stock listed on January 18, 2001 [1] Group 2 - Among the top ten circulating shareholders of Tiantong Co., Ltd., a fund under Southern Fund holds a position, specifically the Southern CSI 1000 ETF (512100), which reduced its holdings by 113,700 shares in the third quarter [2] - The Southern CSI 1000 ETF (512100) has a current scale of 76.63 billion yuan and has achieved a year-to-date return of 28.96%, ranking 1851 out of 4197 in its category [2] - The fund manager of Southern CSI 1000 ETF is Cui Lei, who has been in the position for 7 years and 51 days, with the fund's total asset scale at 122.76 billion yuan [3]