华为概念涨幅居前，48位基金经理发生任职变动

Market Performance - On April 30, A-shares showed mixed performance with the Shanghai Composite Index down by 0.23% closing at 3279.03 points, while the Shenzhen Component Index rose by 0.51% to 9899.82 points, and the ChiNext Index increased by 0.83% to 1948.03 points [1] Fund Manager Changes - In the last 30 days (March 31 to April 30), a total of 584 fund managers changed positions across various funds, with 60 announcements made on April 30 alone [3] - The reasons for the changes included 14 managers leaving due to job changes, 2 for personal reasons, 3 due to product expiration, 1 for ending an agency role, and 1 for other reasons [3] Fund Manager Performance - The current total asset scale of Guotai Fund's manager is 6.713 billion yuan, with a notable return of 247.74% on the Guotai Ju Xin Value Advantage Mixed Fund (000362) over 11 years and 137 days [4] - The new manager at Huashan Fund has an asset scale of 1.22 billion yuan, with a top return of 206.11% on the Guolian Core Growth Mixed Fund (004671) over 4 years and 46 days [5] Fund Research Activity - In the past month, Bosera Fund conducted the most company research, engaging with 161 listed companies, followed by Jiashi Fund with 131, Huaxia Fund with 128, and Fuguo Fund with 122 [6][7] - The medical device industry was the most researched sector with 613 instances, followed by chemical products with 607 [6][7] Recent Stock Focus - The most researched stock in the last month was Luxshare Precision, with 160 fund management companies participating in the research, followed by Lanqi Technology and Lens Technology with 102 and 93 respectively [7][8] - In the last week (April 23 to April 30), Luxshare Precision again topped the list with 89 fund institutions conducting research, followed by Aibo Medical, Zhongke Feicai, and Tianfu Communication [8][9]