The grades of four Road and Rail 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.

This week, RailAmerica (NYSE:RA) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). 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 is a strong week for Canadian Pacific Railway (NYSE:CP). The company’s rating climbs to A from the previous week’s B. Canadian Pacific Railway is involved in operating railways in North America. For more information, get Portfolio Grader’s complete analysis of CP stock.

Hertz (NYSE:HTZ) is bumping up its rating from a C (“hold”) to a B (“buy”) this week. Hertz Holdings operates car and equipment rental centers throughout the United States and Europe. For more information, get Portfolio Grader’s complete analysis of HTZ stock.

Roadrunner Transportation Systems (NYSE:RRTS) is seeing ratings go up from a C last week to a B this week. Roadrunner Transportation Systems offers truck freight transportation services. For more information, get Portfolio Grader’s complete analysis of RRTS 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.