Group 1 - Buffett's divestment from BYD marks the end of a successful 17-year investment, yielding a 38-fold profit compared to market indices during the same period [2] - The decision to sell BYD shares began in August 2022, with plans to reduce holdings from over 20% to zero by Q1 2025 [2] - Key reasons for Buffett's sell-off include finding more cost-effective investment opportunities and reallocating funds back to the U.S. market, as well as preparing for his retirement and facilitating a smoother transition for his successor [2] Group 2 - Buffett's investment history includes notable failures, such as a significant write-down on Kraft Heinz, which resulted in a substantial loss over a decade-long investment [3] - The investment in Occidental Petroleum, initially costing $100 billion, has not yielded significant returns despite receiving an 8% preferred stock dividend [3] - Despite selling shares in Apple, Buffett has still realized substantial profits from earlier investments, and Apple's stock price rebounded after the release of the iPhone 17 [3] Group 3 - Buffett's investment career is characterized by a few mistakes, but the majority of his transactions have been successful [4] - The decision to clear BYD from his portfolio does not necessarily indicate a lack of confidence in the company's future, but rather a strategic move to focus on familiar markets and enhance capital efficiency [5] - The fundamental outlook for both Apple and BYD remains unchanged despite Buffett's selling activities, which reflect personal investment preferences rather than deteriorating company fundamentals [5]