The grades of 4 Hotels Restaurants & Leisure stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

International Speedway Corporation Class A (ISCA) boosts its rating from a C to a B this week. International Speedway Corporation Class A owns major motorsports entertainment facilities and promotes motorsports-themed entertainment activities in the United States. For more information, get Portfolio Grader’s complete analysis of ISCA stock.

China Lodging Group Ltd. Sponsored ADR (HTHT) improves from a B to a A rating this week. China Lodging Group Ltd. Sponsored ADR is an economy hotel chain in China. The company also gets A’s in earnings growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of HTHT stock.

500.com Limited (WBAI) shows solid improvement this week. The company’s rating rises from a C to a B. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of WBAI stock.

This week, Ruth’s Hospitality Group, Inc. (RUTH) pushes up from a B to a A rating. Ruth’s Hospitality Group, Inc. owns, operates, and franchises several chains of upscale steakhouses. The company also gets A’s in earnings growth and return on equity. For more information, get Portfolio Grader’s complete analysis of RUTH 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.