The grades of 4 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”).

Graco Inc. (GGG) improves from a C to a B rating this week. Graco Inc. supplies technology for the management of fluids in both industrial and commercial applications. The company also gets A’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of GGG stock.

This week, RBC Bearings Incorporated (ROLL) pushes up from a C to a B rating. RBC Bearings Incorporated designs, manufactures, and markets a broad portfolio of bearing products, including precision plain, roller, and ball bearings. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of ROLL stock.

This is a strong week for Kadant Inc. (KAI). The company’s rating climbs to B from the previous week’s C. Kadant Inc. is a supplier of equipment used in the global papermaking and paper recycling industries. The company also gets A’s in operating margin growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of KAI stock.

This week, Terex Corporation’s (TEX) ratings are up from a C last week to a B. Terex Corporation is a global manufacturer of capital equipment intended to deliver solutions for the construction, infrastructure, quarrying, surface mining, shipping, transportation, power and energy industries. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of TEX 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.