CNBC | Oil dips as Saudi Arabia pledges to play 'responsible role' in market CNBC Oil prices dipped on Tuesday after Saudi Arabia pledged to play a "responsible role" in energy markets, although sentiment remained nervous in the run-up to U.S. sanctions against Iran's crude exports that start next month. Front-month Brent crude oil ... Oil Closes Below $70 for Fourth Session as Stockpiles Accumulate Oil steady as Saudi Arabia pledges to play 'responsible role' in market Oil falls as Saudi Arabia says it will play 'responsible role' |