Gold prices have breached $5,000 per ounce. For investors who want exposure without buying gold directly, miners are a natural starting point. Barrick (NYSE: B) is a chance to invest in an established player, while Caledonia Mining Corporation (NYSEMKT: CMCL) offers a growth angle through reinvested profits. Let's see which stock suits which kind of investor. Mining as a derivative Whatever the metal, miners are effectively a derivative of the commodity. Unlike options or futures, companies don't expire ...