Brent crude could hit $70 or even $80 a barrel by the end of this year, one hedge fund manager says. It could top $100 next year, an energy analyst forecasts. Oil is on a tear, and suddenly, everyone is bullish. But this is probably the most fragile oil price recovery in history. Something as tiny as a virus could kill it. Herd immunity is the big factor for hedge funds, according to a recent Reuters report. According to them and several banks, the United States—the world’s biggest oil consumer—will reach herd immunity by the middle of the year, which will coincide with summer driving season to the benefit of oil producers. “By the summer, the vaccine should be widely provided and just in time for summer travel and I think things are going to go gangbusters,” one hedge fund manager, David D. Tawil of Maglan Capital, told Reuters. […]