In fact, some of Berkshire's biggest investments are looking to advance AI research, with clear business benefits if they can improve their algorithms and effectively implement new use cases for generative AI. As such, about 40% of Berkshire's $293 billion portfolio is invested in five companies pushing AI forward.

Perhaps that’s one reason stocks are selling off globally this morning. While most indexes in Asia and Europe remain near their all-time highs, there is broad-based but mild selling in all of them.

Warren Buffett has loomed over Wall Street for so long that it’s easy to forget how quietly his story began. He started buying his first shares at age 11 and filed his first tax return at 13. From those humble beginnings,