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

FNB United (FNBN) is a bank holding company. FNBN gets F’s in Equity and Cash Flow as well. For more information, get Portfolio Grader’s complete analysis of FNBN stock.

Gyrodyne Company of America, Inc. (GYRO) leases industrial and commercial real estate to diversified entities. GYRO gets F’s in Earnings Growth, Equity, Cash Flow and Operating Margin Growth as well. For more information, get Portfolio Grader’s complete analysis of GYRO stock.

American Capital Mortgage Investment Corp. (MTGE) invests in, finances, and manages a portfolio of mortgage-related investments, such as agency mortgage investments, non-agency mortgage investments and other mortgage-related investments. MTGE gets F’s in Earnings Growth, Earnings Surprises, Cash Flow, Operating Margin Growth and Sales Growth as well. For more information, get Portfolio Grader’s complete analysis of MTGE stock.

Phoenix Companies, Inc. (PNX) is the holding company of Phoenix Life Insurance Company. PNX also gets F’s in Earnings Growth and Sales Growth. Shares of the stock have declined 17.1% since January 1. This is worse than the S&P 500, which has remained flat. For more information, get Portfolio Grader’s complete analysis of PNX stock.

Sears Holdings Corporation (SHLD) is a retail conglomerate with full-line and specialty retail stores. SHLD also gets F’s in Analyst Earnings Revisions, Equity, Cash Flow and Sales Growth. The price of SHLD is down 20.7% since the first of the year. For more information, get Portfolio Grader’s complete analysis of SHLD 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.