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

First Acceptance Corporation (FAC) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. First Acceptance is a fully integrated retailer, servicer, and underwriter of non-standard personal automobile insurance. In Portfolio Grader’s specific subcategory of Cash Flow, FAC also gets an A. Shares of FAC have increased 43.6% over the past month, better than the 1.7% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of FAC stock.

This week, AMERISAFE, Inc. (AMSF) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Amerisafe markets and underwrites workers’ compensation insurance. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of AMSF stock.

This week, Aviva plc Sponsored ADR (AV) pushes up from a C to a B rating. Aviva provides insurance, savings, and fund management products and services worldwide. At $15.82, the share price is approaching the 52-week high of $15.84. For more information, get Portfolio Grader’s complete analysis of AV 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.