The overall ratings of six restaurant and resort stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Town Sports International Holdings, Inc. (CLUB) ratings are on the decline this week as the company earns an F (“strong sell”). Last week, it received a D (“sell”). Town Sports International Holdings owns and operates fitness clubs in the Northeast and Mid-Atlantic regions of the United States. In Portfolio Grader’s specific subcategories of Earnings Revisions and Cash Flow, CLUB also gets F’s. For more information, get Portfolio Grader’s complete analysis of CLUB stock.

500.com Limited’s (WBAI) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. The stock also gets an F in Earnings Momentum. As of Dec. 18, 2014, 12.1% of outstanding 500.com Limited shares were held short. To get an in-depth look at WBAI, get Portfolio Grader’s complete analysis of WBAI stock.

Slipping from a C to a D rating, Caesars Acquisition Co. Class A (CACQ) takes a hit this week. The stock also gets an F in Earnings Surprise. The stock’s trailing PE Ratio is 108.10. For more information, get Portfolio Grader’s complete analysis of CACQ stock.

InterContinental Hotels Group PLC Sponsored ADR (IHG) earns a D this week, moving down from last week’s grade of C. InterContinental Hotels Group provides more than 674,000 guest rooms globally, serving over 150 million guests each year. Shares of the stock are changing hands at twice the rate they were a week ago. The trailing PE Ratio for the stock is 33.10. To get an in-depth look at IHG, get Portfolio Grader’s complete analysis of IHG stock.

The rating of Vail Resorts, Inc. (MTN) slips from a C to a D. Vail Resorts operates mountain resorts in the United States. The stock also rates an F in Earnings Momentum. The stock has a trailing PE Ratio of 86.70. For more information, get Portfolio Grader’s complete analysis of MTN stock.

Denny’s Corporation (DENN) earns a D this week, falling from last week’s grade of C. Denny’s operates a family-style restaurant chain in the United States. The stock also gets an F in Margin Growth. The stock’s trailing PE Ratio is 32.50. To get an in-depth look at DENN, get Portfolio Grader’s complete analysis of DENN 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.