Oil dives as U.S., Iran tensions ease and on U.S. crude build

NEW YORK (Reuters) - Oil futures fell more than 4% on Wednesday in a wild swing, soaring close to a four-month high in early trade on an Iranian rocket attack on U.S. forces in Iraq before retreating as the countries quickly ratcheted back tensions.Prices fell as it became evident the rocket attack did not damage oil facilities or harm any Americans, with more pressure coming from a surprise build in U.S. crude stockpiles.U.S. President Donald Trump backed away from days of angry rhetoric..