An increase in mortgage origination volume helped lenders increase earnings from loan production and secondary market activities during the first quarter of 2015, according to a new analysis by Inside Mortgage Trends. A diverse group of large and mid-sized companies reported a total of $1.910 billion in net earnings from their loan origination and marketing activities during the first three months of the year. That was up 20.1 percent from the ... [Includes two data charts]