DALLAS--(BUSINESS WIRE)--Today Nationstar Mortgage Holdings Inc. (NYSE: NSM) (“Nationstar”), a leading residential mortgage services company, reported financial results for its second quarter ended June 30, 2015. “We remain resolute in our strategy of creating long-term sustainable growth by capitalizing on market opportunities, increasing the profitability of our servicing segment, building the first fully integrated digital platform for buying or selling a home through Xome and taking advanta