Crude tumbles, stocks rally on hopes for Iran war de-escalation

After nearly four weeks of conflict, investors jumped on the first signs that hostilities could wind down, though analysts pointed out that the arrival of more US troops in the region suggested the chance of escalation remained. The economic impact of the crisis has begun to bite around the world, with governments looking to cut energy consumption and airlines scaling back flights. Both main crude contracts plunged more than six percent -- with Brent back below $100 -- after US President Donald...