â Fitch Ratings has downgraded 117 classes of securities from 56 Conseco Finance manufactured-housing transactions. The downgraded classes totaled $7 billion, Fitch said. The rating agency said that while collateral performance has “improved notably” since investment group CFN Investments bought the bankrupt lender’s portfolio in 2003, “losses have continued to exceed excess spread, causing bond writedowns and credit enhancement deterioration.” …