Bond Buyer writes "Fitch Downgrades Ambac to AA". The article quotes one [unidentified] analyst, "The floating rate market is having a full blown meltdown right now. There is over $200 billion floating rate, puttable bonds that are insured by companies other than FSA and the money funds are dumping them off." We've heard a different tale from funds though, who say there is no wholesale put-back and that many funds are renegotiating TOB terms.