Singapore Bunker Margins Weaken Further 18 May 2020 The premium to FOB Singapore cargo prices slipped to $11.39/mt by Friday, down from $15.11/mt a week earlier.Author: Capt. Johnhttp://feedproxy.google.com/~r/shipandbunker/~3/DNTE9Y6p3_I/252127-singapore-bunker-margins-weaken-further