Global oil stocks could be just weeks away from returning to their five-year average levels, the key metric to gauge the success of OPEC-led output cuts, as global demand growth holds and key producers continue to rein in production, the International Energy Agency said Friday. OECD oil stocks fell by a larger-than-normal 25.6 million barrels in February to within just 30 million barrels of their five year average, the IEA said in its latest monthly oil market report. OECD oil stocks have now fallen for six of the last seven months and have declined sharply versus their five-year average, the key metric being used by OPEC to measure the success of its output cuts. Speculating whether the OPEC-led output deal has now achieved its goal, the IEA said that OECD oil stocks, which are expected to continue drawing if the current cuts hold, will likely reach or even fall […]