Oil traders are preparing for another downward turn in prices by March 2016, market data suggests, as what is expected to be an unusually warm winter dents demand just as Iran’s resurgent crude exports hit global markets after sanctions are ended. Crude futures have already lost around 60 percent of their value since mid-2014 as supply exceeds demand by roughly 0.7 million to 2.5 million barrels per day to create a glut that analysts say will last well into 2016. Goldman Sachs said on Thursday that there was a substantial risk of a “sharp leg lower” in oil prices. “Mild winter weather over the coming months could see weak heating demand in the U.S. and Europe,” it said. This “would likely be the trigger for adjustments through the physical market, pushing oil […]