This week, the ratings of 4 Insurance stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

American International Group, Inc. (AIG) slips from a D to a F this week. American International Group, Inc. is engaged in a range of insurance and insurance-related activities in the United States and abroad. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AIG stock.

MetLife, Inc. (MET) is having a tough week. The company’s rating falls from a D to a F. MetLife, Inc. provides insurance and other financial services to individuals and institutions. For more information, get Portfolio Grader’s complete analysis of MET stock.

Aviva plc Sponsored ADR (AV) earns a F this week, moving down from last week’s grade of D. Aviva plc Sponsored ADR provides insurance, savings, and fund management products and services worldwide. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of AV stock.

This week, Patriot National, Inc.’s (PN) rating worsens to a D from the company’s C rating a week ago. For more information, get Portfolio Grader’s complete analysis of PN 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.