Sky Rocketing Coal PricesPremium hard coking coal, fob DBCT @ $362/tonne, today, up $29/t from Friday and up $55.8/t from Thursday (up 18.2% in past 2 days).... Hard coking coal, fob DBCT @ $300/tonne, today, up $30/t from Friday and up $45.5/t from Thursday (up 17.9% in past 2 days)....