Gas prices are shown at a BP station in Chicago, Illinois on March 26, 2012.
Gas prices are shown at a BP station in Chicago, Illinois on March 26, 2012. Chicago Tribune/MCT
Gas prices are shown at a BP station in Chicago, Illinois on March 26, 2012. Chicago Tribune/MCT

Finance expert says speculators are behind high oil and gasoline prices

April 04, 2012 6:06 PM