FILE PHOTO: Berkshire Hathaway Chairman Warren Buffett walks through the exhibit hall as shareholders gather to hear from the billionaire investor at Berkshire Hathaway Inc’s annual shareholder meeting in Omaha, Nebraska, U.S., May 4, 2019. REUTERS/Scott Morgan/File Photo
FILE PHOTO: Berkshire Hathaway Chairman Warren Buffett walks through the
FILE PHOTO: Berkshire Hathaway Chairman Warren Buffett walks through the exhibit hall as shareholders gather to hear from the billionaire investor at Berkshire Hathaway Inc's annual shareholder meeting in Omaha