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

Kansas City Southern (KSU) earns an F (“strong sell”) this week, moving down from last week’s grade of 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 currently has a trailing PE Ratio of 31.00. To get an in-depth look at KSU, get Portfolio Grader’s complete analysis of KSU stock.

Roadrunner Transportation Systems, Inc. (RRTS) earns an F this week, falling from last week’s grade of D. Roadrunner Transportation Systems offers truck freight transportation services. The stock gets F’s in Earnings Revisions and Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of RRTS stock.

Guangshen Railway Co. Ltd. Sponsored ADR Class H’s (GSH) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Guangshen Railway is a provider of railroad passenger and freight transportation, as well as railway network usage and services. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. 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.