3 Machinery stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

The rating of IDEX Corporation (IEX) moves up this week, rising from a C to a B. IDEX Corporation designs, manufactures, and markets a variety of pump products, dispensing equipment, and other engineered products. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of IEX stock.

Graco Inc. (GGG) boosts its rating from a C to a B 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, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of GGG stock.

This week, ESCO Technologies Inc. (ESE) pushes up from a C to a B rating. ESCO Technologies Inc. is a producer of engineered products and systems, primarily for utility, industrial, aerospace and commercial applications. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of ESE 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.