Radian losses widen to $1.1 billion in fourth quarter

Private mortgage insurer Radian Group reported a net loss of $1.1 billion in the fourth quarter of 2010, widening from a $91.9 million loss a year ago. Losses for 2010 reached $1.8 billion, ballooning from $147.9 million in losses for 2009.

The company reported $3.8 billion in delinquent loans, down 4% in the fourth quarter. It's fourth straight quarter of declines.

New mortgage insurance written in the fourth quarter totaled $3.8 billion in loans, up 18% from the previous quarter. The company said it maintained a 21% market share.