CNBC | Oil turns positive after early losses on profit-taking CNBC Oil prices turned positive on Friday following early losses as investors cashed in on a 20-percent rise over the past month. Crude futures got support from crude production cuts in Canada where a huge wildfire has disrupted oil sands operations. Brent ... Oil Prices Dip on Global Glut Oil falls as investors cash in on month-long gains Oil Market at Crossroads as Big Rally Masks Risks Lurking Ahead |