Oil prices retreat slightly; investors wary of Russia–Ukraine tensions

Dec 30 () - Oil prices retreated a touch early on Tuesday after rising more than 2% in the previous session, partly driven by spillover from a pullback ​in precious metals even as escalating Russia–Ukraine tensions left markets grappling with supply ‌disruption fears. Brent crude futures for February delivery, which expires on Tuesday, were down 21 cents, or 0.