Asia’s hi-5 fuel oil spread narrowed to a five-week low on Friday, as the very low-sulphur fuel oil (VLSFO) market remained under pressure in recent sessions while high sulphur fuel oil (HSFO) showed some recovery. The hi-5, which reflects VLSFO’s premium over the price of 380-cst HSFO, fell to $72.85 a metric ton, according to …