Three Electrical Equipment stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

This week, Thermon Group Holdings (NYSE:THR) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. Thermon Group Holdings provides engineered thermal solutions for process industries. In Portfolio Grader’s specific subcategory of Earnings Revisions, THR also gets an A. For more information, get Portfolio Grader’s complete analysis of THR stock.

This week, Acuity Brands (NYSE:AYI) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Acuity Brands provides light fixtures, control devices, components, systems, and services for commercial, institutional, and residential applications in various markets. For more information, get Portfolio Grader’s complete analysis of AYI stock.

This week, Powell Industries (NASDAQ:POWL) pushes up from a C to a B rating. Powell Industries is engaged in the development, design, manufacture, and service of custom equipment and systems for the management and control of electrical energy and other critical processes. For more information, get Portfolio Grader’s complete analysis of POWL 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.