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

Energy markets have been on a wild ride as the key Strait of Hormuz waterway remains effectively closed.

Stocks decline while oil prices rise as Trump warns Iran amid stalled negotiations, increasing investor caution in global markets.

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,

Oil prices jumped after the United States and Iran exchanged fire for a second day, heightening fears that the two countries could slide back into open conflict.

Global oil prices surged again after the Trump administration launched new «self-defense» strikes inside Iran, shaking already fragile peace efforts and reigniting fears of a prolonged regional conflict that could further destabilize global energy markets.

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 preliminary agreement may not have an immediate effect on prices at the pump. Damaged infrastructure and risky transport could keep costs up.

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