Oil posted its biggest monthly advance on record, just a few weeks after prices made a dramatic plunge below zero. Crude surged about 88% in May, with U.S. futures on Friday rising above $35 a barrel for the first time since March, driven by massive supply curbs by producers across the world. Still, prices are well below levels at the start of the year, and demand that was crushed by the coronavirus crisis may need to show a sustained improvement for the rally to extend further. For now, the outlook for consumption looks bleak, though it’s on the mend. While virus-related lockdowns are easing , demand isn’t yet roaring back in the U.S . Fuel sales that were […]