The grades of four packaged foods stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Westway Group (WWAY) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Westway Group provides bulk liquid storage and related value-added services worldwide. In Portfolio Grader’s specific subcategories of Earnings Growth and Earnings Momentum, WWAY also gets A’s. For more information, get Portfolio Grader’s complete analysis of WWAY stock.

John B. Sanfilippo & Son, Inc. (JBSS) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. John B. Sanfilippo & Son processes, packages, markets, and distributes shelled nuts, in-shell nuts, and sesame sticks. For more information, get Portfolio Grader’s complete analysis of JBSS stock.

This is a strong week for McCormick & Company, Incorporated (MKC). The company’s rating climbs to B from the previous week’s C. McCormick & Company makes and distributes spices, herbs, seasonings, and specialty foods to the food industry. For more information, get Portfolio Grader’s complete analysis of MKC stock.

The rating of J & J Snack Foods Corp. (JJSF) moves up this week, rising from an A to a C. J & J Snack Foods manufactures, markets, and distributes a variety of snack foods and beverages for the food service and retail supermarket industries. For more information, get Portfolio Grader’s complete analysis of JJSF 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.