For the current week, the overall ratings of three Commercial Services stocks are worse, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

KAR Auction Services (NYSE:KAR) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. KAR Auction Services provides wholesale vehicle auction services in North America. The stock price has dropped 6.2% over the past month, worse than 3.5% increase the S&P 500 has seen over the same period of time. The stock currently has a trailing PE Ratio of 39.4. For a full analysis of KAR stock, visit Portfolio Grader.

Heritage-Crystal Clean (NASDAQ:HCCI) earns a D this week, falling from last week’s grade of C. Heritage-Crystal Clean offers parts cleaning services. The stock gets F’s in Cash Flow and Margin Growth. The stock has a trailing PE Ratio of 150.6. To get an in-depth look at HCCI, get Portfolio Grader’s complete analysis of HCCI stock.

This is a rough week for A.T. Cross (NASDAQ:ATX). The company’s rating falls to D from the previous week’s C. A. T. Cross is a designer and marketer of branded personal accessories including writing instruments, watches, reading glasses, personal and business accessories and sunglasses. The stock also gets an F in Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of ATX 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.