The ratings of seven Restaurant and Resort stocks are down this week, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Wynn Resorts (NASDAQ:WYNN) earns an F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). Wynn Resorts owns and operates destination casino resorts. In Portfolio Grader’s specific subcategories of Earnings Momentum and Sales Growth, WYNN also gets F’s. To get an in-depth look at WYNN, get Portfolio Grader’s complete analysis of WYNN stock.

This week, Chipotle (NYSE:CMG) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Chipotle Mexican Grill runs fast casual restaurants that serve Mexican food in the United States and Canada. As of Sept. 6, 10.5% of outstanding Chipotle shares were held short. The stock has a trailing PE Ratio of 35.1. Shares of the company are down 3.1% from a month ago. This is worse than the 0.9% increase for the S&P 500 over the same time period. For more information, get Portfolio Grader’s complete analysis of CMG stock.

Penn National Gaming (NASDAQ:PENN) earns a D this week, moving down from last week’s grade of C. Penn National Gaming owns and operates Charles Town Races in West Virginia which features slot machines, casinos in Mississippi, and a riverboat gaming facility in Louisiana. The stock also gets an F in Earnings Momentum. For a full analysis of PENN stock, visit Portfolio Grader.

Boyd Gaming (NYSE:BYD) gets weaker ratings this week as last week’s C drops to a D. 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 Sept. 6, 12.1% of outstanding Boyd Gaming shares were held short. The trailing PE Ratio for the stock is 48.9. For more information, get Portfolio Grader’s complete analysis of BYD stock.

Home Inns & Hotels Management (NASDAQ:HMIN) experiences a ratings drop this week, going from last week’s D to an F. Home Inns & Hotels Management operates a chain of budget hotels in the People’s Republic of China. The stock receives F’s in Earnings Growth, Earnings Momentum, and Earnings Revisions. Earnings Surprise and Margin Growth also get F’s. For a full analysis of HMIN stock, visit Portfolio Grader.

Slipping from a C to a D rating, Red Robin Gourmet Burgers (NASDAQ:RRGB) takes a hit this week. Red Robin Gourmet Burgers is a casual dining restaurant chain focused on serving gourmet burgers in a family-friendly atmosphere. As of Sept. 6, 12.7% of outstanding Red Robin Gourmet Burgers shares were held short. To get an in-depth look at RRGB, get Portfolio Grader’s complete analysis of RRGB stock.

This week, Melco Crown Entertainment‘s (NASDAQ:MPEL) rating worsens to a D from the company’s C rating a week ago. Melco Crown develops, owns and operates casino gaming and entertainment resort facilities. The stock also rates an F in Earnings Momentum. For more information, get Portfolio Grader’s complete analysis of MPEL 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.