Mounting concerns about the risks inflation poses to the United States, the world's biggest oil consumer, helped spark the declines. Analysts also attributed the sell-off to Thursday's expiration of options contracts, which tend to increase volatility, and to computers programed to automatically sell once prices reach certain thresholds.
"There was this big ... selling pressure when prices dipped below $140 a barrel. It got a lot of bulls very nervous," said Tom Kloza, chief oil analyst at the Oil Price Information Service. "If it was a fire, you'd call it an accelerant."
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
