This week, the ratings of 5 Electrical Equipment stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Rockwell Automation, Inc. (ROK) experiences a ratings drop this week, going from last week’s C to a D. Rockwell Automation, Inc. provides industrial automation power, control, and information solutions. For more information, get Portfolio Grader’s complete analysis of ROK stock.

Preformed Line Products Company (PLPC) declines this week from a C to a D. Preformed Line Products Company designs and manufactures systems used in the construction and maintenance of networks for the energy, communications, cable provider, and information industries. The company also gets F’s in sales growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of PLPC stock.

This week, SL Industries, Inc. (SLI) drops from a C to a D rating. SL Industries, Inc. designs, manufactures, and markets power and data quality systems and equipment for industrial, medical, aerospace, and consumer applications. For more information, get Portfolio Grader’s complete analysis of SLI stock.

Global Power Equipment Group Inc. (GLPW) gets weaker ratings this week as last week’s D drops to a F. Global Power Equipment Group Inc. designs, engineers, and manufactures gas turbine auxiliary equipment; and provides routine and specialty maintenance services to customers in the utility and industrial sectors. For more information, get Portfolio Grader’s complete analysis of GLPW stock.

Slipping from a D to a F rating, Orion Energy Systems, Inc. (OESX) takes a hit this week. Orion Energy Systems, Inc. designs, manufactures, and implements energy management systems. The company also gets F’s in earnings revisions, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of OESX 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.