Polymerupdate’s Asian Petrochemical Monthly Price Watch Report for Dec 07 states, - Polymerupdate’s Asian Petrochemical Monthly Price Watch Report for December 2007 states, Crude oil prices rose sharply on December 26. Nymex Crude futures surged sharply to last trade at USD 95.97/barrel while Dated Brent spot prices ended the trading day higher at USD 94.24/barrel. WTI Cushing prices ended the trading day up at USD 95.