This week, the ratings of four restaurant and resort stocks on Portfolio Grader are down. 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 March 5, 2015, 13.6% of outstanding Noodles & Co. Class A shares were held short. The trailing PE Ratio for the stock is 50.90. To get an in-depth look at NDLS, get Portfolio Grader’s complete analysis of NDLS stock.

Wynn Resorts, Limited (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. 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.

Las Vegas Sands (LVS) experiences a ratings drop this week, going from last week’s D to an F. 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.