Caitong Securities(SH:601108) Xin Lang Cai Jing·2025-11-11 02:46Group 1 - The core point of the article highlights the recent decline in the stock price of Defu Technology, which fell by 5.11% to 31.75 CNY per share, with a trading volume of 510 million CNY and a turnover rate of 4.20%, resulting in a total market capitalization of 20.013 billion CNY [1] - Defu Technology, established on September 14, 1985, is located in the automotive industrial park of Jiujiang, Jiangxi Province, and specializes in the research, production, and sales of high-performance electrolytic copper foil [1] - The company's main business revenue composition includes lithium battery copper foil at 77.53%, electronic circuit copper foil at 14.80%, and other supplementary products at 7.66% [1] Group 2 - From the perspective of fund holdings, one fund under Caitong Securities Asset Management has a significant position in Defu Technology, with the Caitong Asset Management CSI 1000 Index Enhanced A (019402) holding 3,000 shares, accounting for 0.86% of the fund's net value, ranking as the tenth largest holding [2] - The Caitong Asset Management CSI 1000 Index Enhanced A (019402) was established on April 29, 2024, with a latest scale of 11.4364 million CNY, and has achieved a year-to-date return of 23.26%, ranking 2517 out of 4216 in its category [2] - The fund manager, Xin Chenchen, has been in position for 5 years and 65 days, with the fund's total asset scale at 12.5057 million CNY, achieving the best return of 37.17% and the worst return of -34.95% during the tenure [2]