Buffett's Berkshire reports new stake in Canada's Suncor, shares spike

Warren Buffett's Berkshire Hathaway added more than $10.8 million shares of Suncor in the fourth quarter, according to a filing with the Securities and Exchange Commission. Suncor, an energy company based in Calgary, Canada, jumped nearly 3 percent in after-hours trading on Thursday. Bershire also dissolved its $41.4 million stake in Oracle and decreased...