Core Viewpoint - The article discusses the performance of deep value fund managers during different market conditions, highlighting their underperformance in the current bull market compared to growth-style fund managers, particularly in sectors like technology and innovation [4][20]. Group 1: Performance Comparison - In the past three years of bear markets, deep value fund managers performed relatively well, with many managing over 10 billion in assets [5]. - As of September 24, 2023, mainstream deep value fund managers like Xu Yan and Jiang Cheng had annual returns below 20%, while the average return of the CSI Active Equity Fund Index reached 34.11% [6][12]. - The article notes that deep value fund managers typically focus on low-valuation, stable companies, which leads to lower returns in bull markets but better performance in bear markets [14][19]. Group 2: Investment Philosophy - Deep value fund managers invest from an owner's perspective, focusing on long-term intrinsic value rather than short-term market fluctuations [16]. - They emphasize "quality and price," seeking high-quality companies that are undervalued due to market sentiment [17]. - Safety margins are crucial in their investment decisions, as they aim to protect against errors and downside risks [17][18]. Group 3: Market Trends and Strategies - The current bull market has favored growth-style funds, particularly those heavily invested in technology, with some achieving over 200% annual returns [7]. - Deep value fund managers often hold significant positions in traditional sectors like finance and real estate, which have underperformed in the current market [14][19]. - The article suggests that deep value funds should be considered for core portfolio allocations, especially for conservative investors [23][24]. Group 4: Selection Criteria - Not all low-valuation stocks represent deep value; some may belong to contrarian or cyclical strategies [29]. - Investors should focus on the stability of deep value fund managers' styles, as many have shifted towards growth or other strategies over time [36][38]. - The article advises that deep value funds can serve as a bottom-layer allocation in a diversified portfolio, balancing risk and return [24][26].