Ginnie Mae announced a number of changes recently, hoping to catch up with the efficiency of the conventional MBS market even if its fortunes remained tied to increasingly unpopular government-insured mortgage programs. The agency in recent weeks has lowered the minimum denomination for its single class securities, eliminated the one-day payment delay on Ginnie Mae I Re-REMICs, extended its Targeted Lending Initiative to areas hit by Hurricane Katrina, and lowered its Platinum guarantee fee. …