U.S. crude oil jumps more than 5%, half the session high, as market monitors Iran war

It is unclear who will ultimately govern Iran, the fourth-largest oil producer in OPEC, after U.S.-Israel strikes killed Ayatollah Ali Khamenei.

Berkshire Hathaway shares drop 5% after poor fourth-quarter results, no bold moves by new CEO Abel

Some had hoped for more aggressive signals on capital deployment given the company's swelling cash balance.

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Dow futures drop 500 points as oil prices spike following U.S. attack on Iran: Live updates

The war between the U.S. and Iran is threatening to widen and jolt global energy supplies.

U.S. crude oil set to top $70 a barrel when trading begins on fears of Iran supply disruption

It is unclear who is governing Iran, the fourth-largest oil producer in OPEC, after U.S.-Israel strikes killed Ayatollah Ali Khamenei.

Iran may 'lash out harder' as Khamenei's death puts Tehran on a war footing, leaving the world bracing for what's next

Iran's strategic allies Russia and China have made strong diplomatic protests, but analysts say neither is in a position to offer meaningful support.

Iran after Khamenei: What's next and what it means for the country?

Khamenei assumed power following the death of Ayatollah Ruhollah Khomeini in 1989, inheriting a revolutionary state still consolidating itself.