奕瑞科技股价跌1.05%，南方基金旗下1只基金重仓，持有28股浮亏损失29.96元

Group 1 - The core business of Yirui Technology includes the research, production, sales, and service of digital X-ray detectors, with the main revenue sources being detector sales (81.21%), core component sales (7.66%), solution/technical service revenue (5.89%), accessory sales (4.57%), and rental income (0.66%) [1] - As of December 31, Yirui Technology's stock price decreased by 1.05%, trading at 101.24 yuan per share, with a total market capitalization of 21.407 billion yuan [1] Group 2 - Southern Fund has a significant holding in Yirui Technology through its Southern SSE STAR Market Composite ETF Linked A (023731), which ranks as the fifth largest holding with 28 shares [2] - The Southern SSE STAR Market Composite ETF Linked A has a total scale of 97.6034 million yuan and has achieved a return of 38.76% since its inception [2] - The fund managers, Yang Kaining and Pan Shuiyang, have delivered varying performance, with Yang achieving a best return of 75% and Pan achieving a best return of 110.42% during their respective tenures [2]