This week, these five stocks have the worst ratings in Analyst Earnings Revisions, one of the eight Fundamental Categories on Portfolio Grader.

First Horizon National (NYSE:FHN) offers a variety of commercial banking services and also conducts mortgage banking, capital markets, and transaction processing. FHN gets F’s in Earnings Momentum, Earnings Surprises, Operating Margin Growth, and Sales Growth as well. For more information, get Portfolio Grader’s complete analysis of FHN stock.

Vitran (NASDAQ:VTNC) provides freight surface transportation and related supply chain services in Canada and the United States. VTNC also gets F’s in Earnings Momentum, Equity, and Cash Flow. For more information, get Portfolio Grader’s complete analysis of VTNC stock.

Panasonic (NYSE:PC) produces home appliances, audio & video, computer peripherals, telecommunications, industrial equipment, and electronic parts. PC also gets F’s in Earnings Momentum, Equity, Cash Flow, and Sales Growth. Since January 1, PC has fallen 40.5%. This is worse than the S&P 500, which has seen a 10.7% increase over the same period. For more information, get Portfolio Grader’s complete analysis of PC stock.

API Technologies (NASDAQ:ATNY) designs, develops, and manufactures electronic systems, subsystems, RF/microwave, secure systems, and information assurance products and solutions for defense, aerospace, and commercial applications. ATNY gets F’s in Earnings Growth, Equity, and Cash Flow as well. The price of ATNY is down 18.8% since the first of the year. For more information, get Portfolio Grader’s complete analysis of ATNY stock.

Accuride (NYSE:ACW) engages in designing, manufacturing, marketing, and supplying commercial vehicle components in North America. ACW gets F’s in Earnings Momentum, Equity, Cash Flow, and Sales Growth as well. Since January 1, ACW has fallen 56.3%. For more information, get Portfolio Grader’s complete analysis of ACW 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.