This week, these five stocks have the best ratings in Sales Growth, one of the eight Fundamental Categories on Portfolio Grader.

Swisher Hygiene (NASDAQ: SWSH) offers commercial hygiene services. For more information, get Portfolio Grader’s complete analysis of SWSH stock.

Argan (AMEX: AGX) plans, builds, manages and leases warehouses. AGX also gets A’s in Earnings Growth, Earnings Momentum, and Operating Margin Growth. Since January 1, AGX shares have increased 17%. For more information, get Portfolio Grader’s complete analysis of AGX stock.

Lifevantage Corp. (NASDAQ: LFVN) engages in the identification, research, development, manufacture, and distribution of nutraceutical dietary supplements in the United States. LFVN also gets A’s in Earnings Momentum and Equity. For more information, get Portfolio Grader’s complete analysis of LFVN stock.

Companhia Energetica de Minas Gerais-CEMIG (NYSE: CIG) is engaged in the electric power transmission business, which consists of transporting electric power from the facilities where it is generated to the distribution networks for delivery to end users. CIG also gets A’s in Earnings Growth and Analyst Earnings Revisions. The stock’s current trailing PE Ratio is 7.9. For more information, get Portfolio Grader’s complete analysis of CIG stock.

Medley Capital (NYSE: MCC) specializes in credit investing, including direct private lending and corporate credit related strategies. Shares of the company are up 38.5% from the beginning of the year. This is better than the S&P 500’s 16.2% for the same period. For more information, get Portfolio Grader’s complete analysis of MCC 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.