This week, five Insurance stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Stewart Information Services (NYSE:STC) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Stewart Information Services is a real estate information, title insurance, and transaction management company. In Portfolio Grader’s specific subcategories of Earnings Momentum and Earnings Surprise, STC also gets A’s. Shares of STC have increased 11.2% over the past month. This is better than the S&P 500’s 1.3% increase during the same period. For more information, get Portfolio Grader’s complete analysis of STC stock.

This week, AMERISAFE (NASDAQ:AMSF) pushes up from a B to an A rating. Amerisafe markets and underwrites workers’ compensation insurance. For more information, get Portfolio Grader’s complete analysis of AMSF stock.

Infinity Property & Casualty (NASDAQ:IPCC) is bumping up its rating from a C (“hold”) to a B (“buy”) this week. Infinity Property and Casualty provides personal automobile insurance throughout the United States. Company shares are up 0.2% since last month. For more information, get Portfolio Grader’s complete analysis of IPCC stock.

Protective Life (NYSE:PL) improves from a B to an A rating this week. Protective Life provides financial services through the production, distribution, and administration of insurance and investment products. The stock has a trailing PE Ratio of 6.4. For more information, get Portfolio Grader’s complete analysis of PL stock.

This is a strong week for Fortegra Financial (NYSE:FRF). The company’s rating climbs to B from the previous week’s C.Fortegra Financial offers insurance products and services to insurance companies, agents and brokers. For more information, get Portfolio Grader’s complete analysis of FRF 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.