Gold is glittering so far in 2016, up over 17 percent, but that's still dull in comparison to the 103 percent return for the Global X Gold Explorers ETF (GLDX) . Jay Jacobs, director of research at Global X, said the miner ETF could continue to outshine the underlying metal as long as demand for gold remains high and the Federal Reserve stays on hold. 'The GLDX invests in the earliest stage miners and they tend to be small-cap companies with high betas,' said Jacobs. 'Add that to the leverage already inherent in the gold mining industry and you can see why there is potential for even more outperformance.' Of course, all that glitters is not gold. The Global X Lithium ETF (LIT) is up 20 percent thus far in 2017. Lithium is a light, alkali metal often used in steel and aluminum production and batteries. The ETF has over 20 percent of its assets in FMC Corporation (FMC) and another 10 percent in Chile-based Sociedad Quimica y Minera (SQM) . 'Lithium will stand to benefit from growing use of electric cars and clearly there is a lot of interest in that space right now,' said Jacobs.
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