TGCF(SZ:301217) Xin Lang Cai Jing·2025-08-29 04:08Group 1 - The stock price of Copper Crown Copper Foil dropped by 5.23% to 33.35 CNY per share, with a trading volume of 9.64 billion CNY and a turnover rate of 3.42%, resulting in a total market capitalization of 27.648 billion CNY [1] - Copper Crown Copper Foil, established on October 18, 2010, and listed on January 27, 2022, specializes in the research, manufacturing, and sales of various high-precision electronic copper foils. The revenue composition includes PCB copper foil (56.84%), lithium battery copper foil (37.92%), copper flat wire (4.45%), and others (0.79%) [1] Group 2 - Southern Fund's Southern CSI 1000 ETF (512100) is among the top ten circulating shareholders of Copper Crown Copper Foil, having increased its holdings by 469,800 shares in the second quarter, totaling 2.3285 million shares, which represents 1.02% of the circulating shares. The estimated floating loss today is approximately 4.2845 million CNY [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY. Year-to-date returns are 26.28%, ranking 1562 out of 4222 in its category, while the one-year return is 68.19%, ranking 1102 out of 3776. Since inception, the return is 11.75% [2]