제 목    lluboIQamDFhe 이 름    Davis 날 짜    2018/06/29 조 회    8 perfect design thanks 100lenders.com bbb Unwitting investors later lost hundreds of billions of dollars when the housing market collapsed after subprime borrowers with poor credit defaulted. Credit raters, which had given the high-risk securities overly positive ratings, were also slow to downgrade them.