Oil slumps, stocks soar as Mideast conflict worries fade

NEW YORK (Reuters) - Oil prices tumbled and equity markets soared on Wednesday after U.S. President Donald Trump said an Iranian missile strike on bases in Iraq had not harmed U.S. troops and damage was minimal, showing Tehran wanted to de-escalate the Middle East standoff.Iran fired missiles at military bases housing American troops in Iraq in retaliation for last week's slaying by U.S. drones of Iranian commander Qassem Soleimani, a strike that raised fears of an escalating regional..