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

Sears Hometown & Outlet Stores, Inc. (SHOS) ratings are on the decline this week as the company earns an F (“strong sell”). Last week, it received a D (“sell”). The stock price has dropped 13.3% over the past month, worse than the 1.3% decrease the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of SHOS stock.

West Marine, Inc. (WMAR) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. West Marine operates as a boating supply retailer in the United States. The stock gets F’s in Earnings Momentum, Earnings Revisions and Earnings Surprise. The stock’s trailing PE Ratio is 43.80. To get an in-depth look at WMAR, get Portfolio Grader’s complete analysis of WMAR stock.

Signet Jewelers Limited (SIG) is having a tough week. The company’s rating falls from a C to a D. Signet Jewelers is engaged in retailing of jewelry, watches and gifts with branches throughout UK and US. Wall Street appears to agree with the stock downgrade, with share prices dropping 8% over the past month. For more information, get Portfolio Grader’s complete analysis of SIG stock.

This week, Sally Beauty Holdings, Inc. (SBH) drops from a C to a D rating. Sally Beauty Holdings distributes and retails beauty products. For a full analysis of SBH stock, visit Portfolio Grader.

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.