https://www.fool.com/investing/2018/11/10/gold-etfs-all-you-need-to-know.aspx Most investors focus the bulk of their portfolios on three different asset classes: stocks, bonds, and cash. Yet even though you can be successful by concentrating in those areas, some investors prefer to add greater diversification by adding other types of investments. For millennia, gold has served as a store of value, with uses ranging from coinage and jewelry to dentistry and industrial electronics. With a reputation for resilience in the face of adverse macroeconomic trends like rising inflation and political uncertainty, gold has had periods in which it dramatically outperformed other types of investment assets.