跌停！南方基金旗下1只基金持仓日月股份，合计持股比例0.93%

Company Overview - Riyue Heavy Industry Co., Ltd. is a publicly listed company specializing in the research, innovation, application, production, and sales of metal materials, particularly known for its large-section ductile iron castings [1] - The company holds a leading position in the industry and is recognized as a national high-tech enterprise and a well-known supplier of castings [1] Financial Performance - In the fourth quarter of the previous year, Southern Fund increased its stake in Riyue Heavy Industry, holding 0.93% of the shares [1] - The Southern CSI 500 ETF, managed by Southern Fund, has reported a year-to-date return of -7.68%, ranking 1775 out of 3067 in its category [1] Fund Management - The fund manager of Southern CSI 500 ETF is Ms. Luo Wenjie, who has a strong academic background with a Master's in Mathematical Finance from the University of Southern California and a Master's in Computer Science from the University of California [4] - Ms. Luo has extensive experience in quantitative analysis and has held various managerial positions within Southern Fund since joining in 2008 [4][5]