Banks with major Ginnie Mae portfolios – and even smaller firms – increased their purchases of delinquent mortgages out of MBS pools in the fourth quarter compared to the third as a way to save money and refinance troubled loans. According to an analysis by Inside FHA Lending, the top 50 Ginnie Mae issuers bought $12.65 billion of problem loans out trusts in fourth quarter compared to $11.17 billion in the third, an increase of 13 percent. “Once you buy the loan it goes into your portfolio,” said Tim Rood, a partner in The Collingwood Group, a Washington-based advisory firm. “You can try to re-perform it and then re-securitize it,” he said. Wells Fargo, the largest Ginnie Mae servicer in the nation with a portfolio of $412 billion, purchased ... [1 chart]