Fannie Mae, Freddie Mac and Ginnie Mae posted a two-year low in new single-family business during the first quarter of 2018, according to a new Inside Mortgage Trends analysis of loan-level mortgage-backed securities disclosures. The three agencies guaranteed a total of $268.78 billion of purchase mortgages and refinance loans during the first three months of the year. That was down 19.2 percent from the previous three-month period and ... [Includes one data chart]