One way would be to invest in the commodity itself, which can be done either by purchasing physical gold or buying shares in an exchange-traded fund such as the SPDR Gold Trust (GLD), which tracks the price of gold.
Barrick Gold was founded in 1983 and has since grown into the largest gold mining company in the world. It has more than 62 million proven ounces of gold, and over 10 billion pounds of proven copper reserves, with operations on four different continents.
Newmont Goldcorp Corporation operates gold and copper mines on four different continents. The company was founded in 1916 as a holding company for investments in mineral, oil and gas properties.