This week, 4 Building Products stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

American Woodmark Corporation (AMWD) earns a B this week, jumping up from last week’s grade of C. American Woodmark Corporation manufactures and distributes kitchen cabinets and vanities for the remodeling and new home construction markets in the United States. The company also gets A’s in operating margin growth, earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of AMWD stock.

This week, Patrick Industries, Inc. (PATK) pushes up from a B to a A rating. Patrick Industries, Inc. manufactures and distributes building products for the manufactured housing, recreational vehicle, furniture manufacturing, marine, automotive aftermarket, and other industries. The company also gets A’s in sales growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of PATK stock.

Johnson Controls International plc (JCI) is seeing ratings go up from a C last week to a B this week. Johnson Controls International plc markets automotive systems and building controls. The company also gets A’s in earnings revisions and return on equity. For more information, get Portfolio Grader’s complete analysis of JCI stock.

Ply Gem Holdings, Inc. (PGEM) improves from a C to a B rating this week. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of PGEM 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.