This week, the overall grades of eight Insurance stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, RLI Corp. (NYSE:RLI) falls to a D (“sell”), worse than last week’s grade of C (“hold”). RLI underwrites selected property, casualty, and surety insurance products. For a full analysis of RLI stock, visit Portfolio Grader.

Mercury General (NYSE:MCY) earns a D this week, falling from last week’s grade of C. Mercury General operates as an insurance holding company, engaged mainly in writing automobile insurance. The stock also gets an F in Earnings Momentum. For more information, get Portfolio Grader’s complete analysis of MCY stock.

FBL Financial Group (NYSE:FFG) experiences a ratings drop this week, going from last week’s C to a D. FBL Financial Group underwrites, markets, and distributes life insurance, annuities, and mutual funds. The stock price has dropped 5.9% over the past month, worse than the 3.2% decrease the S&P 500 has seen over the same period of time. The stock currently has a trailing PE Ratio of 344.90. To get an in-depth look at FFG, get Portfolio Grader’s complete analysis of FFG stock.

MBIA Inc. (NYSE:MBI) earns a D this week, moving down from last week’s grade of C. MBIA provides financial guarantee insurance and other forms of credit protection. The stock gets F’s in Earnings Growth, Equity, and Sales Growth. Investors seem to agree with the downgrade and have pushed down the share price 29.9% over the past month. For a full analysis of MBI stock, visit Portfolio Grader.

Slipping from a C to a D rating, Greenlight Capital (NASDAQ:GLRE) takes a hit this week. Greenlight Capital Re offers property and casualty reinsurance with a differentiated reinsurance and investment strategy. The stock gets F’s in Earnings Momentum and Earnings Surprise. Share prices fell 11.9% over the past month. To get an in-depth look at GLRE, get Portfolio Grader’s complete analysis of GLRE stock.

This week, American National Insurance‘s (NASDAQ:ANAT) rating worsens to a D from the company’s C rating a week ago. American National Insurance offers financial products and services, individual and group health insurance and annuities, credit insurance, pension products, and mutual funds. Wall Street appears to agree with the stock downgrade, with share prices dropping 11.2% over the past month. For more information, get Portfolio Grader’s complete analysis of ANAT stock.

Baldwin & Lyons (NASDAQ:BWINB) gets weaker ratings this week as last week’s C drops to a D. Baldwin & Lyons specializes in marketing and underwriting property and casualty insurance and the assumption of property reinsurance mainly insuring against catastrophes. The stock also gets an F in Sales Growth. Share prices fell 5.8% over the past month. For a full analysis of BWINB stock, visit Portfolio Grader.

Hallmark Financial Services‘ (NASDAQ:HALL) rating weakens this week, dropping to a D versus last week’s C. Hallmark Financial Services is a diversified property/casualty insurance group that serves businesses and individuals in specialty and niche markets. The trailing PE Ratio for the stock is 78.10. To get an in-depth look at HALL, get Portfolio Grader’s complete analysis of HALL 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.