This week, four road and rail stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

RailAmerica (RA) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. RailAmerica owns and operates short-line and regional freight railroads in North America. For more information, get Portfolio Grader’s complete analysis of RA stock.

This week, ArcBest Corporation (ARCB) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of ARCB stock.

Vitran Corporation Inc. (VTNC) improves from a C to a B rating this week. Vitran provides freight surface transportation and related supply chain services in Canada and the United States. For more information, get Portfolio Grader’s complete analysis of VTNC stock.

The rating of Avis Budget Group, Inc. (CAR) moves up this week, rising from a C to a B. Avis provides cars and trucks for businesses and consumers to rent in the United States and internationally. For more information, get Portfolio Grader’s complete analysis of CAR 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.