The overall ratings of 12 metals and mining stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

North American Palladium (PAL) earns an F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). North American Palladium is a mineral exploration and production company. In Portfolio Grader’s specific subcategories of Earnings Revisions, Equity and Cash Flow, PAL also gets an F. To get an in-depth look at PAL, get Portfolio Grader’s complete analysis of PAL stock.

This is a rough week for New Gold Inc. (NGD). The company’s rating falls to F from the previous week’s D. New Gold acquires, explores, and develops gold properties. The stock rates an F in Earnings Growth, Earnings Revisions and Equity. Cash Flow, Margin Growth and Sales Growth also get F’s. For more information, get Portfolio Grader’s complete analysis of NGD stock.

This week, McEwen Mining’s (MUX) rating worsens to an F from the company’s D rating a week ago. McEwen Mining explores for, develops, and produces mineral properties. The stock gets F’s in Earnings Growth, Equity, Cash Flow and Sales Growth. To get an in-depth look at MUX, get Portfolio Grader’s complete analysis of MUX stock.

Ternium S.A. Sponsored ADR (TX) earns an F this week, falling from last week’s grade of D. Ternium is a steel company that makes flat and long steel products for customers engaged in the construction, home appliances, capital goods, container, food, energy and automotive industries. The stock gets F’s in Earnings Revisions and Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of TX stock.

Eldorado Gold Corporation’s (EGO) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Eldorado Gold acquires, explores, and develops mineral properties. The stock gets F’s in Earnings Revisions, Earnings Surprise and Cash Flow. Margin Growth and Sales Growth also get F’s. The stock has a trailing PE Ratio of 45.40. To get an in-depth look at EGO, get Portfolio Grader’s complete analysis of EGO stock.

Barrick Gold Corporation (ABX) earns an F this week, moving down from last week’s grade of D. Barrick Gold makes and sells gold, and is involved with related activities such as exploration and mine development. The stock receives F’s in Earnings Momentum, Earnings Revisions and Equity. Cash Flow and Sales Growth also get F’s. For more information, get Portfolio Grader’s complete analysis of ABX stock.

The rating of AuRico Gold (AUQ) slips from a C to a D. AuRico Gold engages in the exploration, development, and production of gold and silver projects and properties in Canada, Mexico, and Australia. The stock gets F’s in Earnings Revisions, Equity and Cash Flow. To get an in-depth look at AUQ, get Portfolio Grader’s complete analysis of AUQ stock.

Allied Nevada Gold (ANV) gets weaker ratings this week as last week’s D drops to an F. Allied Nevada Gold engages in the evaluation, acquisition, exploration, and advancement of gold exploration and development projects. The stock gets F’s in Earnings Growth, Earnings Revisions and Equity. Cash Flow and Margin Growth also get F’s. As of March 10, 2015, 28.6% of outstanding Allied Nevada Gold shares were held short. For more information, get Portfolio Grader’s complete analysis of ANV stock.

This week, Keegan Resources (KGN) drops from a C to a D rating. Keegan Resources, a junior gold company, engages in the exploration and development of gold properties in Ghana, west Africa. The stock gets F’s in Equity and Cash Flow. To get an in-depth look at KGN, get Portfolio Grader’s complete analysis of KGN stock.

Pan American Silver’s (PAAS) rating weakens this week, dropping to a D versus last week’s C. Pan American Silver is a silver mining company with its principal property in Peru. The stock receives F’s in Earnings Growth, Earnings Revisions and Equity. Cash Flow and Sales Growth also get F’s. For more information, get Portfolio Grader’s complete analysis of PAAS stock.

Slipping from a D to an F rating, SunCoke Energy Partners LP (SXCP) takes a hit this week. The stock also rates an F in Earnings Revisions. To get an in-depth look at SXCP, get Portfolio Grader’s complete analysis of SXCP stock.

Reliance Steel & Aluminum (RS) is having a tough week. The company’s rating falls from a D to an F. Reliance Steel & Aluminum operates as a metals service center company in North America. The stock also gets an F in Earnings Revisions. For more information, get Portfolio Grader’s complete analysis of RS 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.