Since the precipitous fall that precious metals took in mid-April, there have been various market shifts that may foretell of important changes. While the SPDR Gold Trust (GLD -0.19%) has outperformed the iShares Silver Trust (SLV -0.36%), the Global X Silver Miners (SIL -0.10%) has outperformed the Market Vectors Gold Miners (GDX 0.21%). This apparent disconnection has the potential to reverse in the near term and create some interesting opportunities.

In the video below, Fool.com contributor Doug Ehrman discusses the relative performance of these various precious metals ETFs, the ramifications of the performance differentials, and what it all may mean.