Study finds riskiest lenders' problems are no secret

Investors' fears may now hinge on home prices

Nearly all of the mortgage lenders who engaged in the riskiest underwriting practices during the housing boom have gone bankrupt, been sold, or curtailed their operations. But Wall Street investors may stay wary of private mortgage-backed securities until home prices stabilize, a new study suggests.

A study of 163 of the largest U.S. lenders by SMR Research Corp.