Oil headed for a weekly loss as Libya prepared to raise supply and the dollar strengthened, offsetting the impact on prices from an agreement by OPEC and other producers to cut production. Futures dropped 0.6 percent in New York, poised for a 1.8 percent weekly decline. Libya reopened one of its biggest oil fields and was preparing the first crude shipment in two years from its largest export terminal, Es Sider. The U.S. dollar is headed for its biggest weekly gain in almost a month against major peers after the Federal Reserve raised interest rates. Goldman Sachs Group Inc. increased its second quarter oil price forecasts and predicted inventories would return to normal levels by the middle of 2017. “Focus is shifting to the current lackluster fundamentals,” analysts at Goldman Sachs including Damien Courvalin in New York wrote. “We expect the ramp-up in Libya and a stronger dollar will […]