KEY POINTS
  • Saudi Energy Minister Khalid Al-Falih said Riyadh had spare capacity to increase oil output but no such move was needed at the moment.
Alexander Novak, Russia's energy minister, left, speaks as Khalid Al-Falih, Saudi Arabia's energy and industry minister, listens during a news conference following the 173rd Organization of Petroleum Exporting Countries (OPEC) meeting in Vienna, Austria, on Thursday, Nov. 30, 2017.

OPEC's leader Saudi Arabia and its biggest oil-producer ally outside the group, Russia, ruled out on Sunday any immediate, additional increase in crude output, effectively rebuffing U.S. President Donald

Trump's calls for action to cool the market.