Nearly all major lenders have reported increased earnings from their mortgage banking activities during the first quarter of 2012, according to a new Inside Mortgage Trends analysis of earnings reports from 25 companies. As a group, the 25 public companies posted an impressive $7.606 billion in mortgage banking income during the first three months of 2012. That was up 39.0 percent from the $5.471 billion these same firms earned over the final three months of 2011, and it was a huge 177.4 percent increase over the first quarter of last year.The group’s first-quarter mortgage banking...(Includes one data chart)