Business News Trump accuses 'OPEC monopoly' of pushing oil prices higher, and says 'they must get oil prices down now!' September 20, 2018 johorbiznet Johor News Trump accuses ‘OPEC monopoly’ of pushing oil prices higher, and says ‘they must get oil prices down now!’ Business Insider Belligerent Iran threatens Opec on decisions that hurt its interests The National Full coverage Source: Business News Feed