Oil prices and stock markets worldwide swung through a shaky Monday with uncertainty about what will happen with the Iran war. The S&P 500 swiveled between gains

Oil markets jolted higher Monday after Iran threatened to shut the Strait of Hormuz amid escalating tensions in the Middle East. West Texas Intermediate crude surged 7% to about $94 a barrel and Brent climbed 6% to roughly $97,

U.S. stocks rose May 26, with the S&P 500 up 0.4%, after President Donald Trump said negotiations with Iran were “proceeding nicely.” The price for a barrel of Brent crude, the international standard, rose 4% to $97.14. Most big U.S. companies have ...

The deal was expected to open the Strait of Hormuz and lift the U.S. naval blockade on Iranian ports. But it would leave the thorniest nuclear issues for another day.

Oil prices edged higher on Thursday, as investors monitored peace talks between the United States and Iran, while supply tightness and U.S. inventory drawdowns provided some support. Brent crude futures LCOc1 rose 40 cents, or 0.4%, to $105.42 a barrel by ...

Escalating attacks between the US and Iran threaten to derail efforts to end the war. Trump warns of consequences as negotiations stall.