段永平1200亿元持仓曝光，投资是认知的变现

Core Insights - The article highlights the significant investment by Duan Yongping in Nvidia, with a reported holding of 120 billion RMB and an 11-fold increase in position, sparking excitement among retail investors [1][4] - The discussion contrasts the investment strategies of seasoned investors like Duan Yongping with those of retail investors, emphasizing the importance of understanding the underlying business rather than following trends [4][10] Investment Analysis - Duan Yongping's portfolio includes major companies such as Apple, Berkshire Hathaway, and Nvidia, with Apple representing 63.33% of his holdings, which he has reduced by 16.25% [2] - Nvidia is a new addition to his portfolio, valued at approximately 6.99 billion RMB, indicating a strategic bet on AI infrastructure [2][4] - The article notes that Duan's investment in AI-related companies is minimal, suggesting a cautious approach to new ventures [4] Investment Philosophy - Duan Yongping emphasizes the concept of "circle of competence," advocating for investments within one's understanding and acknowledging the limits of one's knowledge [6][12] - The article stresses that true value investing involves thorough research and understanding of a company's future cash flows, rather than impulsive buying based on market trends [15] - It warns against the tendency of retail investors to mimic institutional investors without understanding the rationale behind their decisions, which can lead to significant losses [7][12]