This week, the overall grades of 3 Metals & Mining stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Carpenter Technology Corporation (CRS) declines this week from a C to a D. Carpenter Technology Corporation makes and distributes specialty metals and alloys. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CRS stock.

This week, Universal Stainless & Alloy Products, Inc. (USAP) drops from a C to a D rating. Universal Stainless & Alloy Products, Inc. manufactures and markets semi-finished and finished specialty steel products, including stainless steel, tool steel, and certain other alloyed steels. The company also gets F’s in sales growth, operating margin growth, earnings revisions, and free cash flow. For more information, get Portfolio Grader’s complete analysis of USAP stock.

This week, Constellium NV Class A’s (CSTM) rating worsens to a D from the company’s C rating a week ago. The company also gets F’s in sales growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CSTM 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.