Bloomberg | Trump's Iran Decision: What's at Stake for Global Oil Market? Bloomberg These variables make it very difficult to gauge the impact on oil supplies and prices. Analysts surveyed by Bloomberg last month said the production impact could range between zero and 800,000 barrels a day. “Because of the complexity and overlapping ... What Donald Trump's decision on Iran means for oil prices Trump will kill the Iran nuclear deal — and that's a 'long-lasting' boost for oil prices Oil circles 4-year highs as Trump call on Iran looms |