Oil prices slipped on Monday after Trump asked OPEC to increase its output. Trump demanded the output surge to moderate the effects of US sanctions against Iran. Brent price went down 0.5% to $71.80 per barrel. WTI decreased 0.6%, to $62.91 per barrel. Trump commented, "Gasoline prices are coming down. I called up OPEC, I said you’ve got to bring them down. You’ve got to bring them down".