A $5 price tag at gasoline pumps is looking like more of a possibility, according to JPMorgan analysts. They warned Friday that the jet fuel crisis sparked by the Iran war’s historic energy supply disruption is making the prospect of gas prices hitting $5 a gallon increasingly likely. Brent crude oil prices have averaged roughly $100 a barrel since the war in Iran broke out in late February. Meanwhile, refiners are focusing on jet fuel and deprioritizing diesel and gasoline, analysts led by Natasha Kaneva wrote in a note. JPMorgan analysts on Friday warned that the jet fuel crisis is making the odds of gasoline prices hitting $5 a gallon increasingly legitimate.…