Ambac Sues Countrywide, Alleging False Information On MBS

``Ambac Financial Group Inc. (ABK) sued Bank of America Corp. (BAC) over "false and misleading" information it says the bank's Countrywide unit provided to trick it into insuring mortgage-backed bonds. Ambac filed suit after a review of 6,533 of the home loans -- just a fraction of the 268,000 loans included in 12 mortgage-backed securities it insured for Countrywide. The review found more than 97% of the loans didn't meet the guidelines Countrywide had said they'd followed in assembling the bonds, according to the complaint filed Tuesday in New York State Supreme Court. ''