This week, the ratings of 4 Machinery stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Lincoln Electric Holdings, Inc. (LECO) declines this week from a C to a D. Lincoln Electric Holdings, Inc. designs and manufactures welding and cutting products. The company also gets F’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of LECO stock.

Graham Corporation’s (GHM) rating weakens this week, dropping to a D versus last week’s C. Graham Corporation designs and builds vacuum and heat transfer equipment for process industries around the world. The company also gets F’s in sales growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of GHM stock.

Blount International, Inc. (BLT) gets weaker ratings this week as last week’s C drops to a D. Blount International, Inc. manufactures equipment, accessories and replacement parts to the global forestry, yard care and general contractor industries. The company also gets F’s in sales growth and operating margin growth. For more information, get Portfolio Grader’s complete analysis of BLT stock.

Hardinge Inc. (HDNG) experiences a ratings drop this week, going from last week’s C to a D. Hardinge Inc. globally designs, manufactures and distributes computer controlled metal cutting lathes, grinding and related tooling and accessories. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of HDNG 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.