Oil prices jumped higher on Feb. 3 in response to the prospect of a fresh round of U.S. sanctions against Iran after its test launch of a ballistic missile.
Brent crude futures were up 43 cents at $56.99 a barrel by 1515 GMT, having lost 24 cents in the previous session. Brent was on track for a more than 2 percent gain on the week, its first significant weekly rise this year.
