Four durable goods 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”).

This week, Sony Corporation Sponsored ADR (SNE) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Sony develops, designs, manufactures, and sells various electronic equipment, instruments, and devices for consumer and industrial markets. In Portfolio Grader’s specific subcategory of Earnings Revisions, SNE also gets an A. For more information, get Portfolio Grader’s complete analysis of SNE stock.

Brookfield Residential Properties (BRP) earns a B this week, jumping up from last week’s grade of C. Brookfield Residential Properties operates as a land developer and homebuilder in North America. For more information, get Portfolio Grader’s complete analysis of BRP stock.

This week, Mohawk Industries, Inc.’s (MHK) ratings are up from a C last week to a B. Mohawk Industries produces floor covering products for residential and commercial applications. For more information, get Portfolio Grader’s complete analysis of MHK stock.

The rating of Tempur Sealy International Inc (TPX) moves up this week, rising from a C to a B. Tempur Sealy International manufactures and markets foam mattresses, pillows, and miscellaneous products. For more information, get Portfolio Grader’s complete analysis of TPX 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.