CNBC | Why oil could revisit its lows and then some CNBC Analysts say crude futures could continue to trade lower for now if the twin pressures on risk markets from Greece and China continue, and Iran succeeds in striking a nuclear deal that would ultimately mean more oil would hit an already oversupplied ... FT Explainer: Oil approaches bear market This week's collapse in oil prices has been months in the making Greek crisis hits home in Alberta, helping create toxic brew for oil |