Oil prices slipped on Tuesday as worries that a weakening global economy would dent demand for the commodity outweighed the Organization of the Petroleum Exporting Countries' (OPEC) decision to extend supply cuts until next March.
Oil prices tumbled 4% on Wednesday to their lowest settlements in nearly five months, weakened by another unexpected rise in U.S. crude stockpiles and by a dimming outlook for global oil demand.
Oil prices edged up on Thursday to extend gains into a third straight session, as tensions in the Middle East stoked fears of potential disruptions to supply. Brent crude futures were at US$72.04 a barrel at 0110 GMT, up 27 cents, or 0.4per cent, from their last close. Brent closed up 0.7per cent on Wednesday.
The United States on Monday demanded that buyers of Iranian oil stop purchases by May 1 or face sanctions, a move to choke off Tehran's oil revenues which sent crude prices to six-month highs on fears of a potential supply crunch.
Oil prices edged lower on Friday due to concerns of oversupply and a strong dollar. The two benchmarks, North Sea Brent LCOc1 and U.S. crude CLc1, still have had their weakest month in more than 10 years in November, losing more than 20% as global supply has outstripped demand.
Oil prices slumped up to nearly 8% to the lowest in more than a year on Friday, posting the seventh consecutive weekly loss, amid intensifying fears of a supply glut even as major producers consider cutting output. Oil supply, led by U.S. producers, is growing faster than demand and to prevent a build-up of unused fuel such as the one that emerged in 2015, the Organization of the Petroleum Exporting Countries is expected to start trimming output after a meeting on Dec. 6.
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