CNBC | Oil plunges 7% to new 2018 low CNBC Oil prices slumped to their lowest levels of 2018 Friday, ramping up the pressure on OPEC ahead of a much-anticipated meeting between the influential oil cartel and its allied partners. The latest wave of energy market selling comes amid escalating ... Oil price plummets to low not seen since November 2017 Oil Prices Plunge on Global Growth Concerns US oil tumbles nearly 7% as pressure builds on OPEC to cut output |