This week, the ratings of 4 Food Products stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Pilgrim’s Pride Corporation’s (PPC) rating worsens to a D from the company’s C rating a week ago. Pilgrim’s Pride Corporation produces prepared and fresh chicken products in the United States and Mexico. The company also gets F’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of PPC stock.

This is a rough week for Rocky Mountain Chocolate Factory, Inc. (RMCF). The company’s rating falls to F from the previous week’s D. Rocky Mountain Chocolate Factory, Inc. is an international franchisor and manufacturer of chocolate candies and other confectionery products. For more information, get Portfolio Grader’s complete analysis of RMCF stock.

Coffee Holding Co., Inc. (JVA) gets weaker ratings this week as last week’s D drops to a F. Coffee Holding Co., Inc. conducts wholesale coffee operations, including manufacturing, roasting, packaging, marketing, and distributing coffee for private labeled accounts and its own brands. The company also gets F’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of JVA stock.

Pingtan Marine Enterprise Ltd. (PME) slips from a C to a D this week. Pingtan Marine Enterprise Ltd. is a blank check company that seeks to conclude a qualifying transaction with an operating business in China. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of PME 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.