TDG(SH:600330) Xin Lang Cai Jing·2025-10-14 07:04Group 1 - The core point of the article highlights the decline in Tian Tong Co., Ltd.'s stock price by 5.11%, with the current share price at 10.22 yuan, a trading volume of 641 million yuan, and a total market capitalization of 12.606 billion yuan [1] - Tian Tong 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 listing date on January 18, 2001 [1] Group 2 - Among the top ten circulating shareholders of Tian Tong Co., Ltd., a fund under Southern Fund, the Southern CSI 1000 ETF (512100), increased its holdings by 2.1477 million shares in the second quarter, now holding 11.3922 million shares, which is 0.92% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) has a current scale of 64.953 billion yuan, with a year-to-date return of 27.62% and a one-year return of 40.32% [2] - The fund manager, Cui Lei, has been in position for 6 years and 343 days, with the fund's total asset scale at 94.976 billion yuan, achieving a best return of 177.68% during the tenure [3]