Are you sold on gold? The precious metal outperformed every major equity index in the world in 2008. The question is, can gold—and other precious metals—keep on flying? Or would buying today be buying high and selling low?

Precious metals have always been intriguing to investors because they tend to hold their value. In times of geopolitical crisis or currency devaluation, for example, the value of paper money might fluctuate, but a hard asset will always be worth something. As a result, historically, precious metals have been considered a “safe haven” in times of economic and financial instability.

That brings us to why gold is on a tear today. It declined in 2008 and early 2009 as panicked investors rushed into cash…