Newcastle Investment Corp. ($5.42 0.03%) reported that in the fourth quarter of 2012, income available for common stockholders was $56 million, or $0.32 per share, compared to $19 million, or $0.18 per share last year. 

The firm invested $87 million to purchase $134 million of nonagency residential mortgage-backed securities at an average price of 64.5%, in 4Q12. 

Additionally, Newcastle invested $320 million to purchase 33% interest in excess mortgage servicing rights on four portfolios with a total of $215 billion unpaid principal balance of residential mortgage loans. 

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