It's been an exciting year for investors in the metals space, with the Gold Miners Index (GDX) outperforming the majority of assets and finishing 2019 ranked 6th for performance among the 26 industry groups I track. While a few gold producers (GOAU) had incredible years, trouncing their 2019 production guidance, there were several that disappointed among those that have provided their 2019 production results. For those looking for investment ideas in the space in 2020, it's always a good idea to see which companies have a habit of over-delivering and which