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

InterDigital (NASDAQ: IDCC) develops technology for advanced digital wireless telecommunications applications. IDCC also gets A’s in Earnings Growth, Earnings Momentum, Analyst Earnings Revisions, Equity, Cash Flow, and Operating Margin Growth. The stock currently has a trailing PE Ratio of 6.80. For more information, get Portfolio Grader’s complete analysis of IDCC stock.

Federal Agricultural Mortgage Corp. (NYSE: AGM) is a federally chartered instrumentality, which establishes a secondary market for agricultural real estate. AGM also gets A’s in Earnings Momentum, Cash Flow, and Operating Margin Growth. The stock’s current trailing PE Ratio is 7.80. For more information, get Portfolio Grader’s complete analysis of AGM stock.

Enstar Group (NASDAQ: ESGR) acquires and manages insurance and reinsurance companies in run-off. ESGR also gets A’s in Earnings Growth, Earnings Momentum, and Cash Flow. The stock has a trailing PE Ratio of 7.70. For more information, get Portfolio Grader’s complete analysis of ESGR stock.

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

Regeneron Pharmaceuticals (NASDAQ: REGN) researches, develops and commercializes therapeutics to treat human disorders and conditions. REGN also gets A’s in Earnings Momentum, Analyst Earnings Revisions, Earnings Surprises, and Equity. For more information, get Portfolio Grader’s complete analysis of REGN 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.