This week, the overall grades of three electrical equipment stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Jinpan International (JST) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Jinpan International produces silicon wafers, solar cells, and solar modules. JST also rates an F in Portfolio Grader’s specific subcategory of Sales Growth. Shares of the stock have been trading at an exceptionally rapid pace, up threefold from the week prior. For more information, get Portfolio Grader’s complete analysis of JST stock.

Franklin Electric Co., Inc. (FELE) earns an F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). Franklin Electric provides consulting, seminars, educational materials, publications, and products designed to make individuals and organizations more effective. To get an in-depth look at FELE, get Portfolio Grader’s complete analysis of FELE stock.

This week, TCP International Holdings Ltd.’s (TCPI) rating worsens to a D from the company’s C rating a week ago. The stock receives F’s in Earnings Growth, Earnings Momentum, Earnings Revisions and Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of TCPI 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.