However, his company retains the name of his biggest investing mistake and his most important lesson.
It was an emotional decision and, 'the dumbest thing I could have done,” he would later recount. Instead of selling for profit when he could, at a price slightly below his offer, he held on and bought more stock. Buffett bought because he believed it was undervalued. In 1962, Berkshire Hathaway was a failing New England textile company that Mr. For Warren Buffett, his first and greatest lesson was his failure to recognize his mistake when purchasing Berkshire Hathaway.
