Historically, major geopolitical or economic crises, such as the war against Iran, have prompted investors to sell riskier assets and buy "safe-haven†investments whose values were expected to remain stable or even rise amid the disruptions. The most popular safe havens have been the US dollar, gold, and longer-term US Treasury obligations. Faced with the crisis, or the prospect of one, investors would typically bid up the value of the dollar versus other currencies. Many would also avidly buy up gold, drivi ...