The overall ratings of three road and rail stocks are down on Portfolio Grader this week. 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 fallen 19.6% over the past month, worse than the 1.7% decrease the S&P 500 has seen over the same period of time. The stock has a trailing PE Ratio of 30.00. For more information, get Portfolio Grader’s complete analysis of KSU stock.

Roadrunner Transportation Systems, Inc. (RRTS) experiences a ratings drop this week, going from last week’s D to an F. Roadrunner Transportation Systems offers truck freight transportation services. The stock gets F’s in Earnings Revisions and Earnings Surprise. Share prices fell 24.3% over the past month. To get an in-depth look at RRTS, get Portfolio Grader’s complete analysis of RRTS stock.

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. For a full analysis of GSH stock, visit Portfolio Grader.

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.