The Gemini Star oil tanker, owned by Vela International Marine, a subsidiary of Saudi Aramco, offloads into a single buoy. (Photographer: Dana Smillie/Bloomberg News)

Oil Set for Year's Worst Month as U.S. Glut Adds to Trade Woes

(Bloomberg) -- Oil was on track for its worst monthly loss this year after a smaller-than-expected withdrawal from U.S. storage facilities fueled worries about weakening demand.