Fannie Mae and Freddie Mac, the two titans, with their US$4.5T mortgage financing debt, continue to be the uncertainty and headwind on global banks, credit and housing.

• 房利美和房贷美，二个巨大的公司，以他们的US%244.；5T抵押筹资债务，对全球银行、信贷和楼房继续是不明朗和逆风。