President Donald Trump and Iran’s new supreme leader both struck defiant tones on the 13th day of the war, offering little relief to energy markets as Brent crude briefly topped $100 barrel despite fresh US efforts to curb oil prices.

The price of a barrel of Brent crude oil, the international standard, has topped $100 a barrel again, jolting markets just days after it spiked near $120.

Worries about the war with Iran sent oil prices back to $100 per barrel and stocks sinking worldwide. The S&P 500 fell 1.5% Thursday and returned to big swings following

Since starting a war with Iran caused oil and gasoline prices to spike, President Donald Trump has pivoted from a focus on keeping energy prices low to trying to paint high oil prices as a positive. The about-face comes as Trump's team has struggled to offer a clear plan for opening up the critical Strait of Hormuz so that

Explosions are reported on two more foreign tankers in the Persian Gulf killing at least one person, port authorities say.

The dollar strengthened against the euro and the yen on Wednesday as investors remain on edge over further ​escalation in the Middle East conflict that has driven up energy prices worldwide as Iran struck tankers and energy storage facilities in ‌fresh attacks.

The U.S. stock market held steadier Tuesday as Wall Street waited for the next signal on when the war with Iran may end. The S&P 500 dipped 0.2%, a day after its latest wild swings caused by extreme moves in the oil market.

The Israeli military says it's responding to strikes from Iran-backed Hezbollah, and warns residents in Beirut's southern suburbs to evacuate.