The fall of oil prices on Friday halted an otherwise winning month for crude.
West Texas Intermediate futures were down five percent, trading around $55.15 a barrel although trading volume was light.
European Brent futures slipped more than 2.2 percent to $62.45 a barrel.
Barbara Green, Readers Bureau, Fellow
Edited by Jesus Chan
Do you want to add feedback to this story?
Please add a comment in the e-mail box below or send email to firstname.lastname@example.org
Like our Facebook page https://www.facebook.com/TheReadersBureau
Follow us on Twitter https://twitter.com/readersbureau21