Hutchison Port Holdings Trust (HPH) has reported its biggest quarterly loss in four years and has fallen into the red for the full year 2018.

The Singapore-listed port operator posted a net loss of HKD 12.1bn ($1.5bn) for the fourth quarter 2018, compared to profit of HKD 237.8m during the same period in 2017.

This loss was due to a non-cash impairment of HKD 12.3bn