For the current week, the overall ratings of 12 metals and mining stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

North American Palladium’s (PAL) rating falls this week to an F (“strong sell”), down from last week’s 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. For more information, get Portfolio Grader’s complete analysis of PAL stock.

Slipping from a D to an F rating, New Gold Inc. (NGD) takes a hit this week. New Gold acquires, explores, and develops gold properties. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. To get an in-depth look at NGD, get Portfolio Grader’s complete analysis of NGD stock.

The rating of McEwen Mining (MUX) slips from a D to an F. McEwen Mining explores for, develops, and produces mineral properties. The stock receives F’s in Earnings Growth, Equity, Cash Flow and Sales Growth. For more information, get Portfolio Grader’s complete analysis of MUX stock.

Ternium S.A. Sponsored ADR (TX) experiences a ratings drop this week, going from last week’s D to an F. 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. To get an in-depth look at TX, get Portfolio Grader’s complete analysis of TX stock.

This week, Eldorado Gold Corporation (EGO) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Eldorado Gold acquires, explores, and develops mineral properties. The stock receives F’s in Earnings Revisions, Earnings Surprise and Cash Flow. Margin Growth and Sales Growth also get F’s. The trailing PE Ratio for the stock is 37.10. For more information, get Portfolio Grader’s complete analysis of EGO stock.

Barrick Gold Corporation (ABX) earns an F this week, falling 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 gets F’s in Earnings Momentum, Earnings Revisions and Equity. Cash Flow and Sales Growth also get F’s. To get an in-depth look at ABX, get Portfolio Grader’s complete analysis of ABX stock.

AuRico Gold (AUQ) earns a D this week, moving down from last week’s grade of C. 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. For more information, 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 receives F’s in Earnings Growth, Earnings Revisions and Equity. Cash Flow and Margin Growth also get F’s. As of March 9, 2015, 28.6% of outstanding Allied Nevada Gold shares were held short. To get an in-depth look at ANV, get Portfolio Grader’s complete analysis of ANV stock.

This week, Keegan Resources’ (KGN) rating worsens to a D from the company’s C rating a week ago. 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. For more information, get Portfolio Grader’s complete analysis of KGN stock.

The rating of Pan American Silver (PAAS) declines this week from a C to a D. Pan American Silver is a silver mining company with its principal property in Peru. The stock gets F’s in Earnings Growth, Earnings Revisions and Equity. Cash Flow and Sales Growth also get F’s. To get an in-depth look at PAAS, get Portfolio Grader’s complete analysis of PAAS stock.

This week, SunCoke Energy Partners LP (SXCP) drops from a D to an F rating. The stock also gets an F in Earnings Revisions. For more information, 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. Shares of the stock have been exchanging at an usually rapid pace, twice the rate of the week prior. To get an in-depth look at RS, 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.