Core Insights - The best-performing fund managed by manager Sun Bin in the second quarter of 2025 is the FuGuo RongFeng Two-Year Regular Open Mixed A (014449), with a net value increase of 10.58% [1] Fund Performance Summary - Sun Bin manages a total of 14 funds, with the following notable performances: - FuGuo Value Advantage Mixed A: 16.06 billion yuan, annualized return of 13.03%, and a quarterly increase of 9.47% [2] - FuGuo RongFeng Two-Year Regular Open Mixed A: 1.44 billion yuan, annualized return of 1.27%, and a quarterly increase of 10.58% [2] - FuGuo Dividend Mixed A: 6.39 billion yuan, annualized return of 3.02%, and a quarterly increase of 7.12% [2] Stock Trading Cases - Notable stock trading cases managed by Sun Bin include: - Honglu Steel Structure: Bought in Q1 2020, sold in Q3 2020, with an estimated return of 215.83% and a company performance growth of 42.92% [5] - Sany Heavy Industry: Bought in Q4 2019, sold in Q4 2020, with an estimated return of 91.49% and a company performance growth of 36.28% [6] - Zijin Mining: Bought in Q1 2024, sold in Q2 2024, with an estimated return of -57.48% despite a company performance growth of 51.76% [7] Fund Manager's Track Record - Sun Bin's cumulative return for FuGuo Value Advantage Mixed A during his tenure is 138.17%, with an average annualized return of 15.11% [2] - The fund has made 83 adjustments to its heavy-weight stocks, achieving a success rate of 69.88% with 58 profitable trades [2]

Core Viewpoint - Optoelectronics has experienced a decline for six consecutive trading days, with a cumulative drop of -7.85% [1] Company Overview - Guangdong Optoelectronics Technology Co., Ltd. is positioned as a supplier of core automation components [1] Shareholder Activity - Three funds under the management of Fidelity Fund have entered the top ten shareholders of Optoelectronics, all of which are new entries in the first quarter of this year. The funds are: - Fidelity Tianhui Growth Mixed (LOF) A - Fidelity Value Advantage Mixed A - Fidelity New Vitality Flexible Allocation Mixed A [1] Fund Performance - Fidelity Tianhui Growth Mixed (LOF) A has a year-to-date return of 0.48%, ranking 2883 out of 4546 in its category - Fidelity Value Advantage Mixed A has a year-to-date return of 2.64%, ranking 2143 out of 4546 - Fidelity New Vitality Flexible Allocation Mixed A has a year-to-date return of 14.21%, ranking 102 out of 2304 [1] Fund Manager Profiles - **Zhu Shaoxing**: - Current position: Deputy General Manager and Head of Equity Investment Department at Fidelity Fund - Experience: Over 19 years in the industry, with various roles at Fidelity Fund since June 2000 [5][6] - **Sun Bin**: - Current position: Senior Equity Fund Manager at Fidelity Fund - Experience: Joined Fidelity Fund in July 2016, with a focus on equity investment [7][8] - **Wu Dongdong**: - Current position: Fund Manager at Fidelity Fund - Experience: Joined Fidelity Fund in April 2019, previously worked as a mechanical industry researcher [9] Company Background - Fidelity Fund Management Co., Ltd. was established in April 1999, with a diverse ownership structure including major shareholders such as Guotai Junan Securities and the Bank of Montreal [10]