All that said, then, where might investors look for real diversification? The yellow metal, even more so than other alternatives, remains a powerful way to protect investments. Where real estate, for example, risks exposure to rising materials costs, gold's commodity status means mining drives much of its price. The Goldman Sachs Physical Gold ETF (AAAU) offers one strong candidate in the gold ETF space. The fund tracks the gold spot price, providing physical exposure to physical gold. That direct exposure ...