Oliver states that while physical metals are attractive, the "miners... will lead on the upside in percentage terms." He explicitly names "GDX" for gold miners and "SIL" for silver miners. In a precious metals bull market, mining stocks typically offer leveraged returns relative to the underlying commodity due to fixed operating costs and expanding margins. If Gold goes to $8,500, miners should exponentially outperform. Long Gold and Silver Miners via ETFs to capture the highest percentage gains in the sector. Operational risks for mining companies (energy costs, geopolitical instability) or a failure of the underlying metals to break out.