3 Food & Staples Retailing stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Wal-Mart Stores, Inc. (WMT) boosts its rating from a C to a B this week. Wal-Mart Stores, Inc. operates Walmart discount stores, supercenters, Neighborhood Markets and Sam’s Club locations in the United States. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of WMT stock.

Village Super Market, Inc. Class A (VLGEA) earns a A this week, jumping up from last week’s grade of B. Village Super Market, Inc. Class A operates a chain of ShopRite supermarkets in northern and southern New Jersey, and northeastern Pennsylvania. For more information, get Portfolio Grader’s complete analysis of VLGEA stock.

Companhia Brasileira de Distribuicao Sponsored ADR Pfd Class A (CBD) shows solid improvement this week. The company’s rating rises from a C to a B. Companhia Brasileira de Distribuicao Sponsored ADR Pfd Class A is a food retailer in Brazil. For more information, get Portfolio Grader’s complete analysis of CBD 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.