Bloomberg He got 10 percent a year on a $5 billion preferred stake in Goldman Sachs and a $3 billion bet on General Electric Co. (GE) Both companies redeemed the investments at a premium. Berkshire later swapped warrants it got in those deals for common stock in … Burger King to Buy Tim Hortons for About $11.4 BillionBusinessweek Burger King Worldwide Inc announces deal to buy Tim HortonsFinancial Post |