For the current week, the overall ratings of four insurance stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Ambac Financial Group, Inc.’s (AMBC) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. In Portfolio Grader’s specific subcategories of Earnings Growth, Earnings Momentum, Margin Growth and Sales Growth, AMBC also gets F’s. For more information, get Portfolio Grader’s complete analysis of AMBC stock.

Independence Holding Company (IHC) is having a tough week. The company’s rating falls from a C to a D. Independence Holding sells life and health insurance. The stock also gets an F in Sales Growth. To get an in-depth look at IHC, get Portfolio Grader’s complete analysis of IHC stock.

This week, United Fire Group, Inc.’s (UFCS) rating worsens to a D from the company’s C rating a week ago. United Fire engages in writing property, casualty, and life insurance products and selling fixed annuities in the United States. The stock also gets an F in Earnings Growth. For more information, get Portfolio Grader’s complete analysis of UFCS stock.

Slipping from a C to a D rating, Baldwin & Lyons, Inc. Class B (BWINB) takes a hit this week. Baldwin & Lyons markets and underwrites property and casualty insurance. The stock also gets an F in Earnings Surprise. The stock currently has a trailing PE Ratio of 34.00. To get an in-depth look at BWINB, get Portfolio Grader’s complete analysis of BWINB 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.