CNBC | Famed energy trader Mark Fisher says buy any dip in crude oil and natural gas CNBC This week, U.S. crude traded at a 15-month high near $52 a barrel. Despite expectations that the OPEC deal will be difficult to enforce, Fisher said he believes oil will continue on a slow grind higher over the next 12 to 18 months. "In my opinion, the ... Veteran Trader Fisher Thinks Oil Prices Will Gain Slowly |