The grades of 3 Machinery stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

The rating of Stanley Black & Decker, Inc. (SWK) moves up this week, rising from a B to a A. Stanley Black & Decker, Inc. is a worldwide supplier of tools and engineered solutions for professional, industrial, construction and do-it-yourself use. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of SWK stock.

CIRCOR International, Inc. (CIR) earns a B this week, jumping up from last week’s grade of C. CIRCOR International, Inc. designs, manufactures, and markets highly-engineered products, such as valves, that control the flow of fluids safely and efficiently in the energy, aerospace, and industrial markets. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CIR stock.

Miller Industries, Inc. (MLR) is seeing ratings go up from a C last week to a B this week. Miller Industries, Inc. is a domestic and foreign manufacturer of vehicle towing and recovery equipment. For more information, get Portfolio Grader’s complete analysis of MLR 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.