Why Did Buffett Dump Amazon?

Core Viewpoint - Warren Buffett sold 75% of his Amazon stock in his final quarter as CEO of Berkshire Hathaway, reallocating his technology holdings, which also included a reduction in Apple investments [1] Group 1: Amazon's Performance - Amazon's stock has declined by 12% over the past year, contrasting with a 12% increase in the S&P 500 [1] - Amazon's revenue is heavily reliant on its legacy e-commerce business, which accounted for 82% of its total revenue of $717 billion last year, but only 43% of its operating income [1] - Amazon Web Services (AWS) contributed 18% to revenue and 57% to operating income, highlighting the disparity in profitability between its e-commerce and cloud segments [1] Group 2: Competitive Landscape - Amazon has been a leader in cloud computing, holding a 29% market share, but Microsoft has been closing the gap with a 20% share, while Google holds 13% [1] - The competitive landscape in the AI sector is uncertain, with major players like Nvidia, Microsoft, Alphabet, and OpenAI vying for leadership, raising concerns about the potential for significant investments with uncertain returns [1]