The grades of four Mortgage stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

This week, Radian Group (NYSE:RDN) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Radian Group Inc. was incorporated in Delaware. The Company, through its subsidiaries and affiliates, provides credit-related insurance coverage and financial services to mortgage lenders and other financial institutions. In Portfolio Grader’s specific subcategory of Earnings Revisions, RDN also gets an A. For more information, get Portfolio Grader’s complete analysis of RDN stock.

Bank Mutual (NASDAQ:BKMU) earns a B this week, jumping up from last week’s grade of C. Bank Mutual offers a full range of financial services to customers who are mainly located in the state of Wisconsin. For more information, get Portfolio Grader’s complete analysis of BKMU stock.

This week, Oritani Financial (NASDAQ:ORIT) pushes up from a C to a B rating. Oritani Financial attracts deposits, originates various loans, and invests in securities. For more information, get Portfolio Grader’s complete analysis of ORIT stock.

This week, Fox Chase Bancorp (NASDAQ:FXCB) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). Fox Chase Bancorp is the holding company for Fox Chase Bank. For more information, get Portfolio Grader’s complete analysis of FXCB stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.