CNBC | Oil prices rise after Turkey downs Russian plane CNBC Oil prices are getting a leg up on the back of geopolitical tensions after Turkey downed a Russian plane that strayed into its airspace, magnifying the impact of a possible cut in production from the Organization of the Petroleum Exporting Countries ... Oil falls as spotlight returns to global glut Oil prices add to gains, but oversupply concerns persist Asia stocks mixed amid geopolitical tension, oil eases from highs |