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

Lihua Internationa‘s (NASDAQ:LIWA) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Lihua International produces copper clad aluminum superfine magnet wire for the consumer electronics, white goods, automotive, utility, telecommunications, and specialty cable industries. To get an in-depth look at LIWA, get Portfolio Grader’s complete analysis of LIWA stock.

The rating of Belden (NYSE:BDC) declines this week from a C to a D. Belden is engaged in the design, production, and marketing of signal transmission solutions, which include cable, connectivity, and active components for mission-critical applications. The stock gets F’s in Earnings Growth, Earnings Momentum, and Margin Growth. The stock has a trailing PE Ratio of 31.00. For a full analysis of BDC stock, visit Portfolio Grader.

Emerson Electric (NYSE:EMR) experiences a ratings drop this week, going from last week’s C to a D. Emerson Electric is a diversified global technology company that designs and supplies product technology and delivers engineering services and solutions in a range of industrial, commercial and consumer markets around the world. For more information, get Portfolio Grader’s complete analysis of EMR stock.

Nidec Corp. (NYSE:NJ) earns a F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). Nidec is the world’s leading manufacturer of small precision motors mainly used in HDD and optical disk drives. The stock gets F’s in Earnings Revisions and Earnings Surprise. For a full analysis of NJ stock, visit Portfolio Grader.

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.