The ratings of three road and rail stocks are down this week, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Kansas City Southern’s (KSU) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). Kansas City Southern operates a railroad system that provides shippers with rail freight services in commercial and industrial markets of the United States and Mexico. The stock price has dropped 5.4% over the past month, worse than the 1.7% decrease the S&P 500 has seen over the same period of time. The stock’s trailing PE Ratio is 29.00. For more information, get Portfolio Grader’s complete analysis of KSU stock.

This week, Roadrunner Transportation Systems, Inc.’s (RRTS) rating worsens to an F from the company’s D rating a week ago. Roadrunner Transportation Systems offers truck freight transportation services. The stock gets F’s in Earnings Revisions and Earnings Surprise. For a full analysis of RRTS stock, visit Portfolio Grader.

This week, Guangshen Railway Co. Ltd. Sponsored ADR Class H (GSH) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Guangshen Railway is a provider of railroad passenger and freight transportation, as well as railway network usage and services. To get an in-depth look at GSH, get Portfolio Grader’s complete analysis of GSH 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.