Oil hits over 1-week low on hopes of boost to diplomacy in Iran war ↧ ↧ Oil hits over 1-week low on hopes of boost to diplomacy in Iran war Oil prices slid to their ​lowest in more than a week on Monday on hopes diplomacy in the Iran war will get a chance ‌this week amid a UN meet and as investors eyed a partial recovery in shipments from Saudi Arabia despite ongoing attacks by Yemen's Houthis.