普冉股份股价跌5.18%，南方基金旗下1只基金位居十大流通股东，持有83.62万股浮亏损失347.01万元

Group 1 - The core viewpoint of the news is that 普冉股份 (Puran Semiconductor) experienced a decline in stock price, dropping by 5.18% to 76.02 CNY per share, with a trading volume of 3.88 billion CNY and a market capitalization of 112.55 billion CNY [1] - The company, established on January 4, 2016, and listed on August 23, 2021, focuses on the research, design, and sales of integrated circuit products, with 100% of its main business revenue derived from chip sales [1] Group 2 - 南方中证1000ETF (Southern CSI 1000 ETF) entered the top ten circulating shareholders of 普冉股份, holding 836,200 shares, which accounts for 0.57% of the circulating shares, resulting in an estimated floating loss of approximately 3.47 million CNY [2] - The Southern CSI 1000 ETF was established on September 29, 2016, with a latest scale of 649.53 billion CNY, achieving a year-to-date return of 26.28% and a one-year return of 68.19% [2] Group 3 - The fund manager of 南方中证1000ETF is 崔蕾, who has been in the position for 6 years and 297 days, managing a total fund size of 949.76 billion CNY, with the best fund return during her tenure being 127.15% and the worst being -18.32% [3]