State-owned AIG has been upping its bets on real estate, more than doubling its holdings of...

State-owned AIG has been upping its bets on real estate, more than doubling its holdings of non-agency MBS over the last 2 years and beefing up its unit that insures mortgages with low down payments. It's United Guaranty unit - which provides PMI - grew its market share to 23.7% from 14.6% a year ago, and is now the 2nd-largest in the U.S.