CNBC Pro talks with the VanEck CEO on what commodities to invest in right now

CNBC's Bob Pisani sat down with VanEck CEO, Jan van Eck, who he calls the 'king of commodities' at the Exchange ETF Conference in Miami Beach. VanEck Gold Miners (GDX), Oil Services (OIH), Agribusiness (MOO), and Rare Earth Metals (REMX) are among the top funds in the space and his VanEck Semiconductor ETF (SMH) is also the largest in its sector. They discuss when we may see the next big gold rally, oil stocks, chipmakers, and more.