TDG(SH:600330) Xin Lang Cai Jing·2026-02-13 02:01Group 1 - The core point of the news is that Tiantong Co., Ltd. experienced a stock price decline of 5.11%, trading at 17.08 yuan per share, with a total market capitalization of 21.067 billion yuan as of the report date [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, while specialized equipment manufacturing and installation services contribute 9.38%, and other material sales account for 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 - From the perspective of major circulating shareholders, the Southern Fund's Southern CSI 1000 ETF (512100) reduced its holdings by 113,700 shares in the third quarter, now holding 11.2785 million shares, which represents 0.91% of the circulating shares [2] - The Southern CSI 1000 ETF has a current scale of 78.996 billion yuan and has achieved a year-to-date return of 9.47%, ranking 1524 out of 5569 in its category [2] - The fund manager, Cui Lei, has been in position for 7 years and 100 days, with the best fund return during this period being 251.88% and the worst being -15.93% [2]