The Mainichi | Why Oil Prices Are Surging OilPrice.com Oil prices had weakened over the past month following a call from President Trump for OPEC to increase production in response to rising oil prices. After rising above $70 per barrel in May, the price of West Texas Intermediate (WTI) had dropped back to ... Trump claims Saudi Arabia will boost oil production Saudi Arabia ready to increase oil output Trump backs off claim of convicing Saudi Arabia to boost oil production |