Four road and rail stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

RailAmerica (RA) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last 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.

ArcBest Corporation’s (ARCB) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). For more information, get Portfolio Grader’s complete analysis of ARCB stock.

Vitran Corporation Inc. (VTNC) is seeing ratings go up from a C last week to a B 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.

Avis Budget Group, Inc. (CAR) earns a B this week, jumping up from last week’s grade of C. 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.