Changes to its technology and collection policies have helped GreenPoint Mortgage more effectively manage one of the alternative mortgage market’s largest loan servicing portfolios. That was the verdict of Fitch Ratings, which recently assigned the North Fork Bank subsidiary RSP2, or above average, Alt A and home-equity line of credit servicer ratings. “The ratings are based on the company’s experienced management team, established technology, and improved internal controls,” Fitch said. The company, which will soon...