A group of eight large nonbank mortgage lenders managed to post positive earnings on their combined mortgage banking activities during the first quarter of 2015, but they failed to keep pace with a group of 24 banks and thrifts tracked by Inside Mortgage Trends. The eight nonbanks – including the top publicly traded firms that rank high in originations, servicing or both – posted a combined $40.5 million in mortgage-banking income during the first quarter ... [Includes one data chart]