Buffett, a legendary investor and philanthropist, has transformed Berkshire from a failing textile mill into a $1 trillion conglomerate during his 60 years in charge. He's widely regarded as a master delegator, talent spotter, capital allocator, and dealmaker who acquired scores of businesses. Berkshire shares were up 19% year-to-date before Buffett's shock announcement in early May. They've since slumped 12%, while the benchmark S&P 500 has jumped 11%. The company did not respond to a request for comment f ...