Stock markets slump amid Iran war as gas prices jump 30% to three-year high

FTSE 100 on track for its worst day in 11 months, while Japan’s Nikkei and South Korea’s Kospi also fall Business live – latest updates Middle East crisis – live updates The war in the Middle East has plunged financial markets around the world into turmoil for a second day, with oil and gas prices surging and share indices plummeting days after the US-Israel attack on Iran. After a calm Monday, US stocks fell sharply after trading opened on Tuesday, with the Dow dropping more than 2% before paring back those losses to settle about 1.2% down.