Oil prices fell to a two-week low Tuesday on concerns that the global market remains too oversupplied to support prices near $40 a barrel. Prices have rallied sharply in recent weeks on expectations that major oil producers would agree to freeze production and U.S. oil production would start dropping more quickly due to spending cuts. But some analysts and traders warned that the price gains were unsustainable because the global glut of crude persists, with storage facilities close to full around the world. A natural gas flare on an oil well pad outside Watford City, N.D. U.S. crude inventories stand at the highest level in more than 80 years, and storage tanks in the key storage hub of Cushing, Okla., are near full capacity. Government inventory data for the week ended March 25 is due Wednesday. Government inventory data for the week ended March 25 is due Wednesday, and […]