Bloomberg | Crude Falls as Surplus Seen Persisting Amid Potential Iran Boost Bloomberg Oil held its biggest weekly loss since March on speculation a global surplus will persist as Iran pledges to boost exports amid unyielding OPEC production. Futures slid 0.5 percent in London, extending last week's decline of 3.4 percent. Investors will ... Oil Prices Retreat as China Imports Soften Oil retreats on weak China imports, OPEC decision UPDATE 7-Oil slips after OPEC keeps output high, China slowdown |