海南橡胶股价跌7.9%，南方基金旗下1只基金位居十大流通股东，持有2481.62万股浮亏损失1439.34万元

Group 1 - Hainan Rubber experienced a decline of 7.9%, trading at 6.76 CNY per share, with a total market capitalization of 28.93 billion CNY as of the report date [1] - The company, established on March 29, 2005, and listed on January 7, 2011, primarily engages in the cultivation, processing, research, and sales of natural rubber, with 98.67% of its revenue coming from rubber product sales [1] - The top ten circulating shareholders include a fund from Southern Fund, which reduced its holdings in the Southern CSI 500 ETF by 542,900 shares, resulting in a floating loss of approximately 14.39 million CNY [2] Group 2 - The Southern CSI 500 ETF, managed by Luo Wenjie, has a total asset size of 171.36 billion CNY, with a performance record showing a best return of 187.93% and a worst return of -47.6% during his tenure [3]