The fresh strikes from the U.S., and the warning Iran issued in return, have brought renewed instability to the markets.

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

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,

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 ...

By Scott DiSavino NEW YORK, June 2 (Reuters) - Oil prices climbed about 1% to a one-week high in volatile trade on Tuesday as the market waited for news on the Iran war, with Tehran reviewing a proposed agreement with the U.

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

By Nicole Jao NEW YORK, May 20 (Reuters) - Oil prices fell about 6% on Wednesday after U.S. President Donald Trump said that negotiations with Iran were in the final stages, although investors remained wary about the outcome of peace talks as disruption to Middle Eastern supply continued.