This week, 4 Commercial Services & Supplies stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Tyco International PLC (TYC) gets weaker ratings this week as last week’s C drops to a D. Tyco International PLC provides fire protection and security products and services, as well as other industrial products. For more information, get Portfolio Grader’s complete analysis of TYC stock.

This week, Essendant Inc. (ESND) drops from a D to a F rating. The company also gets F’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of ESND stock.

Steelcase Inc. Class A (SCS) experiences a ratings drop this week, going from last week’s C to a D. Steelcase Inc. Class A designs, markets and manufactures office furniture. For more information, get Portfolio Grader’s complete analysis of SCS stock.

Versar, Inc. (VSR) earns a D this week, moving down from last week’s grade of C. Versar, Inc. provides the government, municipalities, and the private sector with value-added, high quality innovative solutions for infrastructure, facilities management, construction, environmental quality, professional services, defense and homeland security needs. For more information, get Portfolio Grader’s complete analysis of VSR 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.