Market Vectors Rare Earth/Strategic Metals ETF (NYSEArca: REMX)
October returns: -3.9%
Comment: Rare earth metals, such as cerium, manganese, titanium and tungsten, have more specialized uses in specific market sectors, like jet engines, hybrid cars, smartphones, and flat screen TVs. China dominates the rare earths export marlet. REMX is the only ETF to focus on rare earth miners. REMX slid last month after a September surge.