Three Insurance stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

AMERISAFE (NASDAQ:AMSF) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Amerisafe markets and underwrites workers’ compensation insurance. In Portfolio Grader’s specific subcategory of Earnings Growth, AMSF also gets an A. Shares of AMSF have increased 5.6% over the past month, better than the 4.1% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of AMSF stock.

Independence Holding Co. (NYSE:IHC) boosts its rating from a C to a B this week. Independence Holding sells life and health insurance through its wholly-owned subsidiaries, Standard Security Life Insurance Company of New York, and Madison National Life Insurance. Wall Street seems to agree with the upgrade and has propelled the stock up 6.2% over the past month. For more information, get Portfolio Grader’s complete analysis of IHC stock.

XL Group (NYSE:XL) shows solid improvement this week. The company’s rating rises from a C to a B. XL Group provides property, casualty and specialty products to industrial, commercial and professional firms worldwide. Investors seem to agree with the upgraded status of the stock, and have pushed the stock up 6.7% over the past month. For more information, get Portfolio Grader’s complete analysis of XL 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.