Thermal coal retreated 1.4% to US$88.5 per ton Thursday (Apr 6), but still representing 69% gain year-on-year, lifted by supply side concerns from the tropical Cyclone Debbie and rally in crude oil market. Indonesian government, meanwhile, sets reference price of US$82.51 per ton for April 2017, an increase of 57.7% from the corresponding month of 2016.To subscribe please click here