RIVERWOODS, Ill.--(BUSINESS WIRE)--Discover Financial Services (NYSE: DFS) today announced that it is closing the mortgage origination business it acquired in 2012 to focus on its profitable direct banking products for which the company sees greater opportunities for growth. "The business is not projected to meet our financial expectations due to ongoing challenges to our home loans operating model, so we made the difficult decision to exit," said Carlos Minetti, president of consumer banking f