New single-family business at Fannie Mae and Freddie Mac declined 2.1 percent during the fourth quarter of 2014, but you can’t blame it on mortgage brokers. The two government-sponsored enterprises securitized $20.53 billion of broker loans over the final three months of the year, up 3.7 percent from the third quarter, according to a new Inside Mortgage Trends analysis of loan-level mortgage-backed securities data. That gave broker loans a ... [Includes one data chart]