Group 1 - Tian Tie Technology's stock increased by 5.55%, reaching 8.75 CNY per share, with a trading volume of 333 million CNY and a turnover rate of 3.70%, resulting in a total market capitalization of 11.36 billion CNY [1] - The company, Zhejiang Tian Tie Technology Co., Ltd., was established on December 26, 2003, and went public on January 5, 2017. Its main business involves the research, production, and sales of rubber products for rail engineering [1] - The revenue composition of Tian Tie Technology includes: other products 36.90%, rubber products for rail engineering 27.35%, lithium series products 25.99%, and others (supplementary) 9.76% [1] Group 2 - According to data from the top ten holdings of funds, one fund under the Fortune Fund has a significant position in Tian Tie Technology. The Fortune CSI 2000 ETF (563200) held 10,500 shares in the second quarter, accounting for 0.35% of the fund's net value, making it the largest holding [2] - The Fortune CSI 2000 ETF (563200) was established on September 28, 2023, with a latest scale of 21.4593 million CNY. Year-to-date returns are 31.92%, ranking 710 out of 4222 in its category; the one-year return is 74.51%, ranking 632 out of 3795; and since inception, the return is 37.44% [2] - The fund manager of the Fortune CSI 2000 ETF is Niu Zhidong, who has a tenure of 10 years and 119 days, managing total assets of 20.131 billion CNY. The best fund return during his tenure is 104.59%, while the worst is -50.13% [2]