Why financial markets reacted the way they did to the U.S.-Iran flare-up

We all know that "market turmoil" is a natural response to crises like terrorist attacks. But what, at a basic mechanical level, is actually going on?

Missiles fired at money.
(Image credit: Illustrated | FishDesigns/iStock, VectorCookies/iStock, Aerial3/iStock)

For a brief moment on Tuesday, it looked like the United States and Iran might go to war. Several days ago, a U.S. airstrike killed Iranian General Qassem Soleimani. And then on Tuesday, Iran retaliated with rocket attacks on Iraqi bases housing American troops.

Markets reacted immediately: The stock market dropped, oil and gold prices spiked, and yields on U.S. Treasuries fell.

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Jeff Spross

Jeff Spross was the economics and business correspondent at TheWeek.com. He was previously a reporter at ThinkProgress.