宇信科技股价跌5%，南方基金旗下1只基金位居十大流通股东，持有520.84万股浮亏损失656.26万元

Group 1 - The core point of the article highlights the recent decline in Yuxin Technology's stock price, which fell by 5% to 23.92 CNY per share, with a trading volume of 433 million CNY and a turnover rate of 2.53%, resulting in a total market capitalization of 16.841 billion CNY [1] - Yuxin Technology, established on October 19, 2006, and listed on November 7, 2018, primarily provides information technology services to financial institutions, especially banks, with its main business revenue composition being 84.94% from bank IT solutions, 10.56% from non-bank IT solutions, 4.34% from innovative businesses, and 0.16% from other sources [1] Group 2 - Among Yuxin Technology's top ten circulating shareholders, a fund under Southern Fund, the Southern CSI 1000 ETF (512100), entered the top ten in the second quarter, holding 5.2084 million shares, which accounts for 0.74% of the circulating shares, with an estimated floating loss of approximately 6.5626 million CNY as of the report date [2] - The Southern CSI 1000 ETF (512100), managed by Cui Lei, has a total asset 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, with a one-year return of 69.5%, ranking 1280 out of 3814 [2][3]