This week, four packaged foods stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

This week, Seneca Foods Corporation Class A (SENEA) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Seneca Foods produces and distributes processed fruits and vegetables. In Portfolio Grader’s specific subcategories of Cash Flow and Margin Growth, SENEA also gets A’s. Shares of SENEA have increased 6.8% 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 SENEA stock.

This week, John B. Sanfilippo & Son, Inc. (JBSS) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). 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.

The rating of Westway Group (WWAY) moves up this week, rising from a C to a B. Westway Group provides bulk liquid storage and related value-added services worldwide. For more information, get Portfolio Grader’s complete analysis of WWAY stock.

Hormel Foods Corporation (HRL) shows solid improvement this week. The company’s rating rises from a B to an A. Hormel Foods manufactures and markets consumer-branded meat and food products. For more information, get Portfolio Grader’s complete analysis of HRL 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.