The SEC and U.S. Dept. of Justice team up to investigate Under Armour\u2019s accounting practices. McDonald\u2019s fires CEO Steve Easterbrook due to \u201cpoor judgment\u201d in a consensual relationship with an employee.\xa0 Jason Moser analyzes those stories, mulls the future of both businesses, and weighs in on what Berkshire-Hathaway should do with its record $128 billion in cash on the balance sheet. \xa0