Oil posts weekly loss on oversupply concerns
By Arathy Somasekhar HOUSTON, Dec 12 (Reuters) – Oil prices closed lower on Friday, marking a 4% weekly decline as a supply glut and a potential Russia-Ukraine peace deal outweighed worries about any impact from the U.S. seizure of an oil tanker near Venezuela. Brent crude futures settled 16 cents down at $61.12 a barrel, …









