Oil prices improved after Saudi Arabia assured restoration of full production by September end. Brent increased and was traded at $63.68 a barrel. WTI went up to $58.23 a barrel. Meanwhile, oil analytics has informed about the loss of 3.4 million barrels per day (bpd) of oil output by Saudi. After Saudi pointed fingers at Iran for the attack, Washington has ordered U.S. Treasury to “substantially increase sanctions” on Tehran.