Oil gains trimmed as tensions on Iran strike recede - for now

TOKYO (Reuters) - Oil markets calmed after on Wednesday after prices had jumped to their highest in months in the wake of a rocket attack by Iran on American forces in Iraq that raised the spectre of a spiralling conflict and disrupted crude supplies.Prices gave up a large part of their gains after the early surges as analysts said market tension could ease as long as oil production facilities remain unaffected by attacks. Tweets by U.S. President Donald Trump and Iran's foreign minister also..