CNBC | Oil up 4 pct in technical rally after 2-month lows CNBC Saudi Arabia's energy minister also there were hundreds of millions of barrels of surplus crude oil in the global market, although a price above $50 a barrel was required to ensure continued investment in the space. Oil producing group OPEC said it was ... OPEC Sees Brexit Risk to Oil Demand, Slide in Non-OPEC Supply MarketsSaudi lifts oil output for June – Opec Oil futures rally as OPEC report forecasts tighter supplies |