This week, 3 Food Products stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Industrias Bachoco SAB de CV Sponsored ADR Class B’s (IBA) rating weakens this week, dropping to a D versus last week’s C. Industrias Bachoco SAB de CV Sponsored ADR Class B breeds, processes, and markets poultry, swine, and related products in Mexico. For more information, get Portfolio Grader’s complete analysis of IBA stock.

John B. Sanfilippo & Son, Inc. (JBSS) is having a tough week. The company’s rating falls from a C to a D. John B. Sanfilippo & Son, Inc. processes, packages, markets, and distributes shelled nuts, in-shell nuts, and sesame sticks. The company also gets F’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of JBSS stock.

Slipping from a C to a D rating, Archer-Daniels-Midland Company (ADM) takes a hit this week. Archer-Daniels-Midland Company is a processor of oilseeds, corn, wheat, cocoa, and other feedstuffs, as well as a manufacturer of vegetable oil and protein meal, corn sweeteners, flour, biodiesel, ethanol, and other value-added food and feed ingredients. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of ADM 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.