FILE PHOTO: Warren Buffett, CEO of Berkshire Hathaway Inc, pauses while playing bridge as part of the company annual meeting weekend in Omaha, Nebraska U.S. May 6, 2018. REUTERS/Rick Wilking/File Photo/File Photo
FILE PHOTO: Warren Buffett, CEO of Berkshire Hathaway Inc, pauses while playing bridge as part of the company annual meeting weekend in Omaha, Nebraska U.S. May 6, 2018. REUTERS/Rick Wilking/File Photo/File Photo