Michael Saylor, chairperson of Strategy (formerly MicroStrategy), wrote on the X platform: Berkshire Hathaway is "the bitcoin of the 20th century". It is reported that Berkshire Hathaway held a shareholder meeting yesterday to disclose that its cash position rose to $347.70 billion, a new record high, while Buffett, who once called bitcoin "rat poison", announced that he will step down as the company's chief executive at the end of the year.