A barrel of benchmark New York crude is up 77 cents at $30.21, while a barrel of Brent, the international standard, has increased 89 cents to $34.28.
Kit Juckes, a global strategist at Societe Generale, isn't confident about the sustainability of the latest rise as the oil market is "now hyper-sensitive to news in both directions on supply, inventories and oil-politics."
Oil prices hit highest since October in anticipation of OPEC-le...