万马股份股价跌5.06%，南方基金旗下1只基金位居十大流通股东，持有749.22万股浮亏损失704.26万元

Group 1 - The core point of the news is that Wanma Co., Ltd. experienced a decline in stock price by 5.06%, with the current share price at 17.63 yuan, a trading volume of 549 million yuan, and a turnover rate of 3.03%, leading to a total market capitalization of 17.882 billion yuan [1] - Wanma Co., Ltd. is primarily engaged in the research, production, and sales of electric power cables, with its main business revenue composition being: electric power products 68.11%, polymer materials 28.63%, communication products 1.70%, and trade, services, and others 1.56% [1] Group 2 - Among the top ten circulating shareholders of Wanma Co., Ltd., a fund under Southern Fund has increased its holdings in the Southern CSI 1000 ETF (512100) by 1.4119 million shares in the second quarter, now holding a total of 7.4922 million shares, which accounts for 0.75% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) has a current scale of 64.953 billion yuan and has achieved a year-to-date return of 25.63%, ranking 2073 out of 4218 in its category, with a one-year return of 35.48%, ranking 1532 out of 3865 [2]