For more information on commodities, visit our commodity category.

Some related miner ETFs include:

  • SPDR S&P Metals & Mining (NYSEArca: XME): up 73.4% year-to-date

  • Market Vectors Gold Miners Fund (NYSEArca: GDX) : up 73.4% year-to-date

  • Market Vectors Steel Index ETF Fund (NYSEArca: SLX): up 73.4% year-to-date

  • Market Vectors RVE Hard Assets Producers Index (NYSEArca: HAP): up 40% year-to-date

  • PowerShares Global Coal (NYSEArca: PKOL): up 115% year-to-date

Max Chen and Heather Hayes contributed to this article.