Reports of attack on US registered tanker in Gulf lifts crude by 3% to $84 a barrel as gas price also starts to climbBusiness live – latest updatesMiddle East crisis – live updatesStock markets have rebounded in Asia after days of heavy losses driven by the war in the Middle East, but oil and gas prices have continued to climb amid disruption to supplies.South Korea’s KOSPI, which posted its biggest ever fall on Tuesday of 12%, soared almost 10% on Thursday, while Japan’s Nikkei climbed by 1.9%....