Forbes | The Age Of $40 Oil Is Here Forbes On Wednesday, the price of West Texas Intermediate, the benchmark for U.S. crude oil, fell nearly 4.3% to $40.80 a barrel, hitting levels not seen since the depths of the financial crisis more than six years ago. Brent crude, the global benchmark, fell ... Crude Tumbles to Six-Year Low After Unexpected U.S. Supply Gain How Much Pressure Will Iran Put On Oil Prices? Iran creates uncertainty in oil market |