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

Red Lion Hotels‘ (NYSE:RLH) rating falls this week to a F (“strong sell”), down from last week’s D (“sell”). Red Lion Hotels owns, manages, develops, and franchises upper mid-scale, full service hotels. While the S&P 500 has remained flat over the past month, the stock price has fallen 26.3% over the past month. For more information, get Portfolio Grader’s complete analysis of RLH stock.

The rating of BJ’s Restaurants (NASDAQ:BJRI) declines this week from a D to a F. BJ’s Restaurants owns and operates casual-dining restaurants in the United States. The stock price has fallen 6.2% over the past month. As of Oct. 11, 2012, 18.5% of outstanding BJ’s Restaurants shares were held short. The stock currently has a trailing PE Ratio of 35.00. For a full analysis of BJRI stock, visit Portfolio Grader.

This week, Boyd Gaming (NYSE:BYD) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Boyd Gaming owns and operates casino entertainment facilities, a pari-mutuel jai alai facility, two travel agencies, and an insurance company that underwrites travel-related insurance. The stock gets F’s in Earnings Revisions and Earnings Surprise. As of Oct. 11, 2012, 10.6% of outstanding Boyd Gaming shares were held short. The stock has a trailing PE Ratio of 55.70. For more information, get Portfolio Grader’s complete analysis of BYD stock.

International Speedway (NASDAQ:ISCA) earns a D this week, moving down from last week’s grade of C. International Speedway owns major motorsports entertainment facilities and promotes motorsports-themed entertainment activities in the United States. The stock gets F’s in Earnings Growth, Earnings Surprise, and Sales Growth. Share prices fell 10.3% over the past month. To get an in-depth look at ISCA, get Portfolio Grader’s complete analysis of ISCA 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.