Oil prices on track for 4th straight weekly gain

Oil futures were flat to slightly lower Friday as U.S. traders returned from the Independence Day holiday, with crude headed for a fourth straight weekly gain though some analysts see upside limited by growing concerns over signs of softening growth.

Oil prices on track for 4th straight weekly gain
Oil futures were flat to slightly lower Friday as U.S. traders returned from the Independence Day holiday, with crude headed for a fourth straight weekly gain though some analysts see upside limited by growing concerns over signs of softening growth.