NEW YORK (Reuters) - MBIA Inc (MBI.N), the world's largest bond insurer, posted a quarterly loss of $2.4 billion on Monday as it took charges on billions of dollars of exposure to bonds linked to subprime mortgages.

NEW YORK -- MBIA Inc. swung to a $2.41 billion loss during the first quarter as the bond insurer faced ongoing deterioration in the credit markets and recorded billions in write-downs.

NEW YORK (Reuters) - Ambac Financial Group Inc (ABK.N), a bond insurer that struggled to raise capital earlier this year, posted a surprisingly wide first-quarter loss on Wednesday after setting aside $1 billion to cover future payouts on mortgage bonds.

NEW YORK -- Ambac Financial Group Inc. posted another steep loss for the first quarter on Wednesday as turmoil in the bond market pummeled the value of many of the bond insurer's deals. Shares fell 21 percent in premarket trading.

Mortgage insurer PMI Group of Walnut Creek revealed today that it lost $1 billion in the fourth quarter last year, largely due to losses from its investment in New-York-based bond insurer Financial Guarantee Insurance.

NEW YORK, March 10 -- Private-equity firm Blackstone Group said Monday that it swung to a loss during the fourth quarter because of a write-down on its investment in bond insurer Financial Guaranty Insurance Co. and deterioration in the credit markets.

NEW YORK -- Private equity firm Blackstone Group LP said Monday it swung to a loss during the fourth quarter due to a write-down on its investment in bond insurer Financial Guaranty Insurance Co. and deterioration in the credit markets.

NEW YORK (Reuters) - Private equity and real estate company Blackstone Group LP (BX.N) posted lower-than-expected quarterly results on Monday, citing tough market conditions and a write-down of bond insurer FGIC, and said it would probably be 2009 before conditions improve.

NEW YORK -- Treasurys closed mixed Friday, after being buffeted by a complex mix of news developments, including heavy monthly job losses on the one hand and a generally successful stock sale by bond insurer Ambac Financial Group Inc. on the other.

NEW YORK (Reuters) - Bond insurer Ambac Financial Group Inc (ABK.N) said on Friday it sold $1.5 billion of shares and convertibles, protecting the company from ratings cuts but not satisfying some analysts who wanted the company to raise more.