CNBC | Oil prices soar as much as 4% as equities rally CNBC Oil prices soared as much as 4 percent on Thursday as an equity market rally offset a surprise increase in U.S. oil inventory levels and a firm dollar. Rangebound crude got a boost after the European Central Bank pledged to keep monetary policy loose ... Oil down on stock builds, equity rally helps Oil prices rally with equities, overriding inventory rise Crude Prices Rally |