The overall ratings of 4 Road & Rail stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Old Dominion Freight Line, Inc. (ODFL) is having a tough week. The company’s rating falls from a C to a D. Old Dominion Freight Line, Inc. is an inter-regional and multi-regional motor carrier. For more information, get Portfolio Grader’s complete analysis of ODFL stock.

Knight Transportation, Inc. (KNX) experiences a ratings drop this week, going from last week’s C to a D. Knight Transportation, Inc. is a short-to-medium haul, dry van truckload carrier. For more information, get Portfolio Grader’s complete analysis of KNX stock.

This is a rough week for eHi Car Services Ltd. Sponsored ADR Class A (EHIC). The company’s rating falls to F from the previous week’s D. The company also gets F’s in earnings growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of EHIC stock.

YRC Worldwide Inc.’s (YRCW) rating weakens this week, dropping to a D versus last week’s C. YRC Worldwide Inc. offers supply-chain solutions and heavyweight shipments for the transportation of industrial, commercial, and retail goods. The company also gets F’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of YRCW 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.