电投产融连跌3天，南方基金旗下1只基金位列前十大股东

Group 1 - The core point of the news is that the stock of State Power Investment Corporation's subsidiary, Electric Investment and Financing Co., has experienced a decline of 7.89% over three consecutive trading days [1] - The company, established in 1998 and listed in 1999, is known as "Electric Investment and Financing" with the stock code "000958" [1] - Southern Fund's Southern CSI 500 ETF is among the top ten shareholders of Electric Investment and Financing, having reduced its holdings in the first quarter of this year [1] Group 2 - The year-to-date return of the Southern CSI 500 ETF is -1.35%, ranking 1907 out of 3433 in its category [1] - The performance of the Southern CSI 500 ETF over various periods shows a decline of -1.96% in the past week and -3.59% over the past three months [2] - The fund manager, Luo Wenjie, has a strong academic background with master's degrees in mathematical finance and computer science from U.S. universities and has been with Southern Fund since 2008 [3][4]