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

MarineMax, Inc. (HZO) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. MarineMax retails recreational boats in the United States. The stock price has dropped 9% over the past month, worse than the 1.7% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of HZO stock.

Francesca’s Holdings Corporation (FRAN) ratings are on the decline this week as the company earns an F (“strong sell”). Last week, it received a D (“sell”). Francesca’s is a womens clothing boutique specializing in trendy clothes, handbags, shoes, jewelry, & gifts. As of Feb. 18, 2014, 20.4% of outstanding Francesca’s Holdings Corporation shares were held short. For a full analysis of FRAN stock, visit Portfolio Grader.

This is a rough week for Cache, Inc. (CACH). The company’s rating falls to D from the previous week’s C. Cache operates as a mall and Web based specialty retailer of women’s lifestyle sportswear and dresses in the United States. The stock gets F’s in Earnings Revisions, Equity and Cash Flow. For more information, get Portfolio Grader’s complete analysis of CACH 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.