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

This week, Churchill Downs Incorporated’s (CHDN) rating worsens to a D from the company’s C rating a week ago. Churchill Downs Incorporated owns and operates pari-mutuel wagering properties and businesses. The company also gets F’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of CHDN stock.

Sonic Corp. (SONC) earns a D this week, moving down from last week’s grade of C. Sonic Corp. franchises and operates a chain of drive-in restaurants. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of SONC stock.

Boyd Gaming Corporation (BYD) experiences a ratings drop this week, going from last week’s C to a D. Boyd Gaming Corporation owns and operates several gaming properties throughout the United States as well as entertainment, restaurants, shopping, and recreational facilities on its properties. The company also gets F’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of BYD stock.

500.com Limited (WBAI) is having a tough week. The company’s rating falls from a C to a D. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of WBAI stock.

This is a rough week for Lindblad Expeditions Holdings Inc (LIND). The company’s rating falls to F from the previous week’s D. The company also gets F’s in earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of LIND stock.

Century Casinos, Inc.’s (CNTY) rating weakens this week, dropping to a D versus last week’s C. Century Casinos, Inc. develops and operates gaming establishments and related lodging and restaurant facilities around the world. The company also gets F’s in earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CNTY 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.