The Federal Reserve appears likely to continue to maintain an arguably oversized footprint in the secondary mortgage market in its effort to foster the gradually improving housing market, analysts say. “Our view is that the Fed continues its purchase of agency MBS at least to the end of 2013,” said Ankur Mehta, an MBS analyst with Citigroup. “The fact that the market is now talking about QE 4 and Treasury space, you can say that further argues they’re going to stay the course in the mortgage space because they’re still looking to ease their monetary policy.” The Fed’s actions have improved...