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

Alon USA Energy, Inc. (ALJ) is an independent refiner and marketer of petroleum products operating mainly in the South Central, Southwestern and Western regions of the United States. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of ALJ stock.

CSI Compressco LP. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CCLP stock.

Cogentix Medical Inc. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of CGNT stock.

FBR & Co. (FBRC) provides investment banking and institutional brokerage services. The company also gets F’s in sales growth, operating margin growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of FBRC stock.

Stanley Furniture Company, Inc. (STLY) is a leading designer and manufacturer of residential wood furniture exclusively targeted at the premium price range. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of STLY 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.