诚迈科技股价跌5.02%，南方基金旗下1只基金位居十大流通股东，持有160.54万股浮亏损失433.45万元

Group 1 - The core point of the news is that Chengmai Technology's stock price dropped by 5.02% to 51.13 CNY per share, with a trading volume of 322 million CNY and a turnover rate of 2.83%, resulting in a total market capitalization of 11.094 billion CNY [1] - Chengmai Technology, established on September 1, 2006, and listed on January 20, 2017, is primarily engaged in software development, sales, and technical services related to mobile intelligent terminals [1] - The revenue composition of Chengmai Technology includes 80.19% from software technical services, 16.00% from software customization services, 3.56% from the development and sales of software and hardware products, and 0.25% from other sources [1] Group 2 - Among the top circulating shareholders of Chengmai Technology, a fund under Southern Fund increased its holdings in the Southern CSI 1000 ETF (512100) by 30,430 shares in the second quarter, bringing the total to 1.6054 million shares, which accounts for 0.74% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 64.953 billion CNY, and has achieved a year-to-date return of 27.06%, ranking 1867 out of 4220 in its category [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 6 years and 322 days, managing a total fund size of 94.976 billion CNY, with the best fund return during the tenure being 137.06% and the worst being -15.93% [3]