Group 1 - The core viewpoint of the news is that Dongyangguang's stock price increased by 5.07% to 25.72 CNY per share, with a trading volume of 2.172 billion CNY and a turnover rate of 2.91%, resulting in a total market capitalization of 77.406 billion CNY [1] - Dongyangguang, established on October 24, 1996, and listed on September 17, 1993, operates in four main business segments: electronic new materials, alloy materials, chemical products, and pharmaceutical manufacturing [1] - The revenue composition of Dongyangguang includes: high-end aluminum foil at 40.81%, chemical new materials at 27.63%, electronic components at 25.40%, and other categories at 5.16% [1] Group 2 - From the perspective of fund holdings, one fund under Huatai-PineBridge has Dongyangguang as its top holding, with 108,500 shares, accounting for 1.8% of the fund's net value [2] - The fund, Huatai-PineBridge CSI 500 Enhanced Index A (012498), has a total scale of 52.6281 million CNY and has achieved a year-to-date return of 25.78% [2] - The fund's performance over the past year shows a return of 48.93%, ranking 2143 out of 3804 in its category [2] Group 3 - The fund manager of Huatai-PineBridge CSI 500 Enhanced Index A is Gu Yaohuang, who has a tenure of 15 years and 274 days, with a total asset scale of 6.967 billion CNY [3] - During Gu Yaohuang's tenure, the best fund return was 339.59%, while the worst was -32.68% [3] - The co-manager, Wen Qi, has a tenure of 1 year and 105 days, with a total asset scale of 81.9758 million CNY, achieving a best return of 26.26% during his tenure [3]