Group 1 - The core viewpoint of the news is the performance and market position of Maolai Optical, which saw a stock price increase of 5.02% to 454.99 yuan per share, with a total market capitalization of 24.023 billion yuan [1] - Maolai Optical specializes in the research, design, manufacturing, and sales of precision optical devices, high-end optical lenses, and advanced optical systems, with revenue composition as follows: optical devices 44.03%, optical lenses 28.34%, optical systems 27.00%, services 0.61%, and others 0.03% [1] Group 2 - From the perspective of fund holdings, one fund under Dongfang Fund has a significant position in Maolai Optical, with the Dongfang Specialized and New Mixed Fund A (015765) holding 2,285 shares, accounting for 3.77% of the fund's net value [2] - The Dongfang Specialized and New Mixed Fund A has achieved a year-to-date return of 32.73% and a one-year return of 87.63%, ranking 2584 out of 8172 and 919 out of 7980 respectively [2] Group 3 - The fund manager of Dongfang Specialized and New Mixed Fund A is Chen Hao, who has been in the position for nearly 4 years, with the fund's total asset size at 91.8407 million yuan [3] - During Chen Hao's tenure, the best fund return was 28.06%, while the worst return was -39.86% [3]