Ambac Assurance Corp. and MBIA Insurance Corp. lost their triple-A insurer financial strength ratings from Moody’s Investors Service Thursday.

Moody’s downgraded MBIA and its affiliated insurance operating companies five notches to A2 with a negative outlook and Ambac Assurance Corp. and Ambac Assurance UK Ltd. three notches to Aa3 with a negative outlook.

Subscribe Now

Independent and authoritative analysis and perspective for the bond buying industry.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.