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”).

Woodward, Inc’s (WWD) ratings are looking better this week, moving up to a B from last week’s C. Woodward, Inc designs, manufactures, and services energy control systems and components for aircraft and industrial engines and turbines. For more information, get Portfolio Grader’s complete analysis of WWD stock.

Xylem Inc. (XYL) gets a higher grade this week, advancing from a B last week to a A. Xylem Inc. engages in the design, manufacturing, and application of technologies for the water industry. For more information, get Portfolio Grader’s complete analysis of XYL stock.

Manitowoc Company, Inc. (MTW) improves from a C to a B rating this week. Manitowoc Company, Inc. is a diversified industrial manufacturer of cranes and related products and food service equipment. The company also gets A’s in earnings surprise and free cash flow. For more information, get Portfolio Grader’s complete analysis of MTW 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.