This week, the ratings of 6 Hotels Restaurants & Leisure stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Norwegian Cruise Line Holdings Ltd.’s (NCLH) rating weakens this week, dropping to a D versus last week’s C. For more information, get Portfolio Grader’s complete analysis of NCLH stock.

This week, Isle of Capri Casinos, Inc. (ISLE) drops from a B to a D rating. Isle of Capri Casinos, Inc. develops, owns, and operates branded gaming facilities and related lodging and entertainment facilities in markets throughout the United States and internationally. The company also gets F’s in earnings surprise and earnings momentum. For more information, get Portfolio Grader’s complete analysis of ISLE stock.

Del Frisco’s Restaurant Group, Inc. (DFRG) experiences a ratings drop this week, going from last week’s C to a D. Del Frisco’s Restaurant Group, Inc. develops, owns, and operates restaurants. For more information, get Portfolio Grader’s complete analysis of DFRG stock.

RCI Hospitality Holdings, Inc. (RICK) declines this week from a C to a D. RCI Hospitality Holdings, Inc. operates night clubs which offer adult entertainment, restaurants, and bar operations. For more information, get Portfolio Grader’s complete analysis of RICK stock.

This is a rough week for Tuniu Corp. Sponsored ADR Class A (TOUR). The company’s rating falls to F from the previous week’s D. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of TOUR stock.

Slipping from a C to a D rating, Iao Kun Group Holding Company Limited (IKGH) takes a hit this week. Iao Kun Group Holding Company Limited is an investment holding company that engages in various business activities including holding profit agreements with VIP Room gaming promoters, which receive profit from promoting casino’s that operate in China, Hong Kong and Macau. The company also gets F’s in sales growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of IKGH 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.