President Donald Trump has repeatedly demanded the Federal Reserve slash interest rates. But Fed officials have stood pat, waiting to see how his administration’s sweeping policy changes affect the economy first.

U.S. investors on Friday sought refuge in safe-haven assets like the dollar and gold, as oil prices surged after Iran retaliated against Israel's biggest-ever military strike against the major crude producer.

Investors had two reactions to Israel's broad attack on Iran late Thursday: They sold stocks broadly and bought crude oil and gold. Futures trading suggests the Standard & Poor's 500 Index will open down 52 points.

Crude oil scored its largest single-day gains in more than three years after Israel launched air strikes against Iran's nuclear sites and other military targets but not oil infrastructure

U.S. ultra-low sulfur diesel futures hit the highest level since February, outpacing gains in oil and gasoline as analysts warned that diesel supply is the most exposed to the conflict in the Middle East.

The State Department ordered all nonessential staff to leave the U.S. Embassy in Baghdad and authorized the departure of nonessential staff and families from Bahrain and Kuwait.