Warren Buffett Went Out With a Bang by Selling 77% of His Amazon Stake and Piling Into a Virtual Monopoly That’s Soared 13,600% Since Its IPO
Key Points Warren Buffett retired as Berkshire Hathaway CEO on Dec. 31, 2025, handing the reins over to value-focused investor Greg Abel. Despite Amazon’s competitive advantages and its artificial intelligence (AI)-driven growth at AWS, valuation concerns and the company’s lofty AI spending forecast may have spooked Berkshire’s now-former boss. Before riding off into the proverbial…