March crude oil prices traded lower during the overnight and early morning session, weighed down by a soft economic tone and preliminary inventory data that showed a larger than expected build. Economic data out of Germany came in better than expected, but that only provided a brief lift to crude oil prices. European demand for crude oil has slacked off in recent sessions, highlighted by cash differentials for Forties falling to their lowest level since May 2010. Part of this could be due to the potential bankruptcy filing by troubled Euro refinery Petroplus. Expectations for this morning's EIA crude stocks report are a modest build of around 1.0 million barrels.