神州数码股价跌5.02%，南方基金旗下1只基金位居十大流通股东，持有843.75万股浮亏损失1721.25万元

Group 1 - The core point of the news is that Digital China Holdings Limited experienced a 5.02% drop in stock price, closing at 38.61 CNY per share, with a trading volume of 1.431 billion CNY and a turnover rate of 5.97%, resulting in a total market capitalization of 27.807 billion CNY [1] - Digital China's main business involves IT product distribution and services, with revenue composition as follows: consumer electronics business 71.30%, enterprise value-added services 24.24%, proprietary brand products 4.33%, cloud services and software 2.30%, and headquarters and others 0.19% [1] Group 2 - From the perspective of major circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) increased its holdings by 2.4497 million shares in the second quarter, now holding 8.4375 million shares, which accounts for 1.4% of the circulating shares [2] - The estimated floating loss for Southern CSI 500 ETF today is approximately 17.2125 million CNY [2] - The fund manager of Southern CSI 500 ETF is Luo Wenjie, who has a cumulative tenure of 12 years and 179 days, with the fund's total asset size at 138.999 billion CNY [3]