Oil set for fourth straight week of gains as investors assess US sanctions
(Investing) – LONDON -Oil prices moved lower on Friday but remained on course for a fourth consecutive week of gains, as the latest U.S. sanctions on Russian energy trade heightened expectations for oil supply disruptions. Brent crude futures were down 57 cents, or 0.70%, at $80.72 per barrel by 1433 GMT, having gained 1.15% this week. U.S. West Texas Intermediate crude futures