CNBC | Brent crude slips below $80 on rising US stockpiles CNBC Oil fell to below $80 on Thursday as the fourth weekly increase in U.S. crude inventories suggested ample supply, while Saudi-U.S. tension and falling Iranian exports lent support. Brent crude, the global benchmark, was down 52 cents at $79.53 a barrel ... How high will oil go? Iran is the biggest X factor US legal threat: OPEC asks members not to mention oil prices when discussing policy Oil trades below $70 as stockpile gain counters US-Saudi row |