Issuance of mortgage-backed securities with a Ginnie Mae guaranty fell in the fourth quarter, with most issuers showing significant decreases from the previous quarter. Ginnie Mae issuances saw a hefty 28.0 percent decline quarter over quarter, with the top five issuers -- Wells Fargo, Chase Home Finance, PennyMac, Freedom Mortgage and Quicken Loans -- recording substantial decreases during the period. There is speculation that slower FHA refinancing activity, FHA policy changes and the premium hike that took effect in June last year might have caused the decline in Ginnie Mae issuance. Ginnie Mae data showed monthly issuance peaking in June at $41.0 billion, progressively dropping over the next few months and finally settling at $22.3 billion at the end of December. Ginnie Mae MBS issuances totaled $393.2 billion in 2013, down 2.4 percent compared to 2012 business. The FHA share of issuances was ... [including one chart]