Higher guaranty fees and improving housing markets propelled Fannie Mae and Freddie Mac to banner profits during the fourth quarter of 2013 and for the year as whole. The two GSEs reported a combined 2013 net income of $133 billion, helped by significant nonrecurring items related to deferred tax allowance valuation reversals, private-label residential mortgage-backed security lawsuit settlements, increased representation and warranty settlements, and sizeable decreases in loan-loss reserves.