Refond(SZ:300241) Xin Lang Cai Jing·2025-10-21 06:35Group 1 - The core viewpoint of the news is that Ruifeng Optoelectronics experienced a stock price increase of 5.07%, reaching 5.80 yuan per share, with a trading volume of 123 million yuan and a turnover rate of 3.71%, resulting in a total market capitalization of 4.06 billion yuan [1] - Ruifeng Optoelectronics, established on January 24, 2000, and listed on July 12, 2011, specializes in LED packaging technology research and manufacturing, providing comprehensive LED lighting solutions [1] - The company's main business revenue composition includes 86.89% from LED products, 10.51% from electronic paper products, and 2.60% from other sources [1] Group 2 - Among the top circulating shareholders of Ruifeng Optoelectronics, a fund under Dacheng Fund increased its holdings by 1,200 shares, totaling 2.6644 million shares, which represents 0.46% of the circulating shares [2] - The Dacheng Zhongzheng 360 Internet + Index A fund has achieved a year-to-date return of 31.72%, ranking 1303 out of 4218 in its category, and a one-year return of 47.33%, ranking 423 out of 3868 [2]