诚迈科技股价跌5.02%，广发基金旗下1只基金位居十大流通股东，持有75.97万股浮亏损失215.75万元

Group 1 - The core point of the news is that Chengmai Technology's stock price dropped by 5.02% to 53.71 CNY per share, with a trading volume of 504 million CNY and a turnover rate of 4.26%, resulting in a total market capitalization of 11.654 billion CNY [1] - Chengmai Technology, established on September 1, 2006, and listed on January 20, 2017, is based in Nanjing, Jiangsu Province, and primarily engages in software development, sales, and technical services related to mobile intelligent terminals [1] - The company's main revenue composition includes software technology services at 80.19%, customized software services at 16.00%, hardware and software product development and sales at 3.56%, and other services at 0.25% [1] Group 2 - From the perspective of Chengmai Technology's top ten circulating shareholders, GF Fund's ETF, Guangfa CSI 1000 ETF (560010), increased its holdings by 166,500 shares in the second quarter, now holding 759,700 shares, which accounts for 0.35% of circulating shares [2] - The Guangfa CSI 1000 ETF, established on July 28, 2022, has a latest scale of 30.718 billion CNY, with a year-to-date return of 26.9% and a one-year return of 37.27% [2] - The fund manager, Luo Guoqing, has a cumulative tenure of 10 years and 7 days, with the fund's total asset scale at 67.565 billion CNY, achieving the best return of 76.97% and the worst return of -48.08% during his tenure [2]