The grades of 3 Thrifts & Mortgage Finance stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Federal Agricultural Mortgage Corporation Class C (AGM) boosts its rating from a B to a A this week. Federal Agricultural Mortgage Corporation Class C is a federally chartered instrumentality, which establishes a secondary market for agricultural real estate. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, and free cash flow. For more information, get Portfolio Grader’s complete analysis of AGM stock.

Walker & Dunlop, Inc. (WD) improves from a B to a A rating this week. Walker & Dunlop, Inc. is a provider of commercial real estate financial services in the United States, with a primary focus on multifamily lending. The company also gets A’s in earnings growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of WD stock.

This is a strong week for Riverview Bancorp, Inc. (RVSB). The company’s rating climbs to B from the previous week’s C. Riverview Bancorp, Inc. provides banking products and services, including a range of deposit instruments, such as demand deposits, negotiable order of withdrawal accounts, money market accounts, regular savings accounts, certificates of deposit, and retirement savings plans. The company also gets A’s in earnings growth, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of RVSB 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.