The grades of five 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.

Cal-Maine Foods, Inc. (CALM) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Cal-Maine Foods produces, markets, and distributes shell eggs in the United States. Shares of CALM have increased 9.4% over the past month, better than the 1.3% decrease the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of CALM stock.

J & J Snack Foods Corp. (JJSF) boosts its rating from a C to a B this week. J & J Snack Foods manufactures, markets, and distributes a variety of snack foods and beverages for the food service and retail supermarket industries. Wall Street seems to agree with the upgrade and has propelled the stock up 5.1% over the past month. For more information, get Portfolio Grader’s complete analysis of JJSF stock.

This is a strong week for Sanderson Farms, Inc. (SAFM). The company’s rating climbs to B from the previous week’s C. Sanderson Farms is a fully-integrated poultry processing company engaged in the production, processing, marketing and distribution of fresh and frozen chicken products. Investors have pushed the stock price up 7.6% over the past month. For more information, get Portfolio Grader’s complete analysis of SAFM stock.

Annie’s, Inc. (BNNY) earns a B this week, jumping up from last week’s grade of C. Annie’s operates as a natural and organic food company that offers products in large packaged food categories. For more information, get Portfolio Grader’s complete analysis of BNNY 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.