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

American Woodmark Corporation (AMWD) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. American Woodmark manufactures and distributes kitchen cabinets and vanities for the remodeling and new home construction markets in the United States. Shares of the stock have been changing hands at an unusually rapid pace, up 420% from the week prior. For more information, get Portfolio Grader’s complete analysis of AMWD stock.

The rating of Insteel Industries, Inc. (IIIN) moves up this week, rising from a C to a B. Insteel Industries manufactures and markets wire products. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of IIIN stock.

A. O. Smith Corporation (AOS) earns a B this week, jumping up from last week’s grade of C. A. O. Smith makes water-heating equipment and electric motors to serve various residential, commercial, and industrial-end markets. Shares of the stock have been trading at an exceptionally rapid pace, up twofold from the week prior. For more information, get Portfolio Grader’s complete analysis of AOS stock.

Masco Corporation (MAS) shows solid improvement this week. The company’s rating rises from a C to a B. Masco manufactures, distributes, and installs home improvement and building products, such as faucets, cabinets, and windows. For more information, get Portfolio Grader’s complete analysis of MAS 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.