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

This week, EnerSys’ (ENS) rating worsens to a D from the company’s C rating a week ago. EnerSys manufactures, markets, and distributes industrial batteries. For more information, get Portfolio Grader’s complete analysis of ENS stock.

This week, AMETEK, Inc. (AME) drops from a C to a D rating. AMETEK, Inc. is a global company that makes electronic instruments and electromechanical devices. For more information, get Portfolio Grader’s complete analysis of AME stock.

Encore Wire Corporation (WIRE) declines this week from a C to a D. Encore Wire Corporation manufactures and supplies electrical building wires and cables for use in interior electrical wiring applications in commercial and industrial buildings, homes, apartments, and manufactured housings. The company also gets F’s in sales growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of WIRE stock.

Revolution Lighting Technologies, Inc. (RVLT) gets weaker ratings this week as last week’s D drops to a F. Revolution Lighting Technologies, Inc. develops, manufactures, and sells a wide variety of fiber optic lighting products, signs and displays. The company also gets F’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of RVLT 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.