The Singapore ex-wharf 380 CST high sulfur fuel oil term contracts for December’s supply were mostly concluded at premiums of around $7-$13/mt against benchmark FOB Singapore 380 CST HSFO cargo values, traders said Nov. 29, amid healthy supply. In comparison, HSFO ex-wharf barrels for November-loading were mostly signed at premiums around $8-$15/mt, with more deals …