LONDON—Oil slipped on Tuesday, giving up earlier gains, as concern over excess supply and slowing—demand growth outweighed escalating supply risks in the Middle East after an attack by the Iran-aligned Houthis on a tanker.
A cruise missile launched from Houthi-controlled Yemen struck a commercial chemical tanker, causing a fire and damage but no casualties in the latest such attack to heighten safety risks for tankers in vital shipping lanes.
