Core Insights - Recent data shows a nearly 130 percentage point performance gap between different products managed by the same fund manager at Morgan Stanley Fund, highlighting potential risks in the "star manager, light product" investment model [2][6] - The case raises questions about the research and investment system, risk control mechanisms, and product layout rationality within fund companies [2] Group 1: Fund Manager Performance - Lei Zhiyong, a fund manager at Morgan Stanley, achieved the best market performance in 2024 with his fund focused on the digital economy, boasting a cumulative return of 125.88% since March 2, 2023, significantly outperforming the average of 12.47% [4] - Lei manages a total of 8 funds, with some showing outstanding performance, while others, like the Morgan Stanley Innovation Mixed A fund, have underperformed, with a return of -7.72% since May 7, 2020, compared to the average of 45.38% [5][6] Group 2: Performance Disparity Among Products - Wang Dapeng, another core fund manager at Morgan Stanley, has a stark performance disparity among his products, with the best-performing fund, Morgan Stanley Health Industry Mixed A, returning 81.40%, while the worst, Morgan Stanley Health Industry Mixed C, has a return of -47.78% [6][7] - The significant performance gap raises concerns about investor trust and reflects potential deficiencies in compliance and responsibility awareness among fund managers [7] Group 3: Market and Strategy Impact - Analysts suggest that the performance of fund managers is closely linked to the alignment of their investment strategies with market conditions, indicating that external factors such as macroeconomic changes can heavily influence fund performance [8] - The phenomenon of performance disparity may also stem from fund managers' divided attention when managing multiple products, leading to varied execution priorities and outcomes [8]