7月15日A股及基金动态：沪指跌0.42%，432只基金经理变动

Group 1 - On July 15, A-shares showed mixed performance with the Shanghai Composite Index down 0.42% at 3505 points, while the Shenzhen Component Index rose 0.56% to 10744.56 points, and the ChiNext Index increased by 1.73% to 2235.05 points [1] - In the past 30 days, there have been changes in 432 fund managers across various fund products, indicating potential impacts on future fund performance [1] - On July 15, 9 fund products announced fund manager departures, with reasons including job changes and product expirations [1] Group 2 - The largest fund manager by asset size is Zhang Xiaonan from Invesco Great Wall Fund, managing assets totaling 34.159 billion yuan, primarily in index and mixed funds [1] - The highest return fund managed by Zhang is the Invesco Great Wall Nasdaq Technology ETF Link (QDII) A, which has achieved a return of 113.78% over 2 years and 156 days [1] - New fund manager Li Wenbin from Yongying Fund manages assets of 1.479 billion yuan, focusing on mixed and bond funds, with the highest return fund being the Wanji Zhizao Advantage Mixed A, which has returned 126.91% over 5 years and 165 days [1] Group 3 - In the past month, Bosera Fund conducted the most company research, engaging with 40 companies, followed by Harvest Fund with 38, Huaxia Fund with 37, and Fortune Fund with 34 [1] - The automotive parts industry was the most researched sector with 134 inquiries, followed closely by the semiconductor industry with 132 [1] - The most researched individual stock was Lexin Technology, with 95 fund management companies participating in the research [1]