This week, five Packaged Foods stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Griffin Land & Nurseries‘ (NASDAQ:GRIF) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). Griffin Land and Nurseries operates a landscape nursery and real estate business. In Portfolio Grader’s specific subcategory of Sales Growth, GRIF also gets an A. For more information, get Portfolio Grader’s complete analysis of GRIF stock.

Kellogg (NYSE:K) is seeing ratings go up from a C last week to a B this week. Kellogg and its subsidiaries make and market of ready-to-eat cereal and convenience foods. For more information, get Portfolio Grader’s complete analysis of K stock.

Lancaster Colony (NASDAQ:LANC) shows solid improvement this week. The company’s rating rises from a C to a B. Lancaster Colony produces and markets consumer products with a focus on specialty food products for the retail and foodservice markets. For more information, get Portfolio Grader’s complete analysis of LANC stock.

Campbell Soup (NYSE:CPB) gets a higher grade this week, advancing from a C last week to a B. Campbell Soup engages in the manufacture and marketing of branded convenience food products worldwide. For more information, get Portfolio Grader’s complete analysis of CPB stock.

This week, John B. Sanfilippo & Son (NASDAQ: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. The stock price has risen 22% over the past month, better than the 5.3% decrease the Nasdaq has seen over the same period of time. The stock currently has a trailing PE Ratio of 8.30. For more information, get Portfolio Grader’s complete analysis of JBSS 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.