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. The stock gets F’s in Earnings Growth, Earnings Revisions and Equity. Cash Flow, Margin Growth and Sales Growth also get F’s. To get an in-depth look at NGD, get Portfolio Grader’s complete analysis of NGD stock.

McEwen Mining (MUX) earns an F this week, falling from last week’s grade of D. McEwen Mining explores for, develops, and produces mineral properties. In Earnings Growth, Equity, Cash Flow and Sales Growth the stock gets F’s. For more information, get Portfolio Grader’s complete analysis of MUX stock.

This week, Ternium S.A. Sponsored ADR’s (TX) rating worsens to an F from the company’s D rating a week ago. 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. Shares of the stock have been changing hands at an unusually rapid pace, three times the rate of the week prior. To get an in-depth look at TX, get Portfolio Grader’s complete analysis of TX stock.

Eldorado Gold Corporation (EGO) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. 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 stock currently has a trailing PE Ratio of 34.60. For more information, get Portfolio Grader’s complete analysis of EGO stock.

Barrick Gold Corporation (ABX) experiences a ratings drop this week, going from last week’s D to an F. 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.

This is a rough week for AuRico Gold (AUQ). The company’s rating falls to D from the previous week’s 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. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of AUQ stock.

The rating of Allied Nevada Gold (ANV) slips from a D 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 10, 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.

Slipping from a C to a D rating, Keegan Resources (KGN) takes a hit this week. 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.

This week, Pan American Silver (PAAS) drops from a C to a D rating. 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. Shares of the stock have been trading at an exceptionally rapid pace, up twofold from the week prior. To get an in-depth look at PAAS, get Portfolio Grader’s complete analysis of PAAS stock.

This week, SunCoke Energy Partners LP’s (SXCP) rating worsens to an F from the company’s D rating a week ago. The stock also gets an F in Earnings Revisions. Shares of the stock are changing hands at twice the rate they were a week ago. For more information, get Portfolio Grader’s complete analysis of SXCP stock.

Reliance Steel & Aluminum (RS) gets weaker ratings this week as last week’s D drops 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 trading at an exceptionally rapid pace, up twofold from 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.