TDG(SH:600330) Xin Lang Cai Jing·2026-01-07 05:57Group 1 - The core viewpoint of the news is that Tiantong Co., Ltd. experienced a stock price increase of 5.38%, reaching 13.32 CNY per share, with a trading volume of 1.682 billion CNY and a turnover rate of 10.46%, resulting in a total market capitalization of 16.429 billion CNY [1] - Tiantong Co., Ltd. is located in Haining Economic Development Zone, Zhejiang Province, and was established on February 10, 1999, with its listing date on January 18, 2001. The company specializes in the research, manufacturing, and sales of electronic materials, including magnetic materials, sapphire, and piezoelectric crystals, as well as high-end equipment [1] - The main business revenue composition of Tiantong Co., Ltd. includes 86.57% from electronic materials sales, 9.38% from specialized equipment manufacturing and installation services, and 4.05% from material sales and others [1] Group 2 - From the perspective of Tiantong Co., Ltd.'s top ten circulating shareholders, Southern Fund's Southern CSI 1000 ETF (512100) reduced its holdings by 113,700 shares in the third quarter, holding a total of 11.2785 million shares, which accounts for 0.91% of the circulating shares. The estimated floating profit today is approximately 7.6694 million CNY [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 76.63 billion CNY. Year-to-date returns are 3.56%, ranking 2808 out of 5488 in its category; the one-year return is 42.19%, ranking 1726 out of 4192; and the return since inception is 18.43% [2]