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”).

This week, Noodles & Co. Class A (NDLS) falls to a D (“sell”), worse than last week’s grade of C (“hold”). As of April 9, 2015, 14.3% of outstanding Noodles & Co. Class A shares were held short. The stock has a trailing PE Ratio of 47.40. To get an in-depth look at NDLS, get Portfolio Grader’s complete analysis of NDLS stock.

Wynn Resorts, Limited (WYNN) ratings are on the decline this week as the company earns an F (“strong sell”). Last week, it received a D (“sell”). Wynn Resorts owns and operates destination casino resorts. The stock gets F’s in Earnings Revisions and Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of WYNN stock.

Slipping from a D to an F rating, MGM Resorts (MGM) takes a hit this week. MGM Resorts International operates gaming, hospitality and entertainment resorts. The stock gets F’s in Earnings Momentum, Earnings Revisions and Earnings Surprise. To get an in-depth look at MGM, get Portfolio Grader’s complete analysis of MGM stock.

This week, Las Vegas Sands’ (LVS) rating worsens to an F from the company’s D rating a week ago. Las Vegas Sands owns and operates casino resorts and convention centers. The stock also gets an F in Earnings Revisions. For more information, get Portfolio Grader’s complete analysis of LVS 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.