SURPRISING PEOPLE at the age of 94 is no mean feat. But that is what Warren Buffett did at the end of Berkshire Hathaway’s annual shareholder meeting on May 3rd, when he announced that he would be stepping down as the company’s chief executive at the end of the year. Mr Buffett gave most of Berkshire’s directors no advance notice of his decision. Nor did he tell Greg Abel, his presumptive successor.
