Global oil markets are nervously eyeing OPEC’s upcoming meeting for clarity on future supply as the dust settles after a full-fledged rout in crude markets over the last several weeks.  So far, there is no clear view if production will be cut or remain steady, and that uncertainty raises the risk of more volatile trading after mass selling caused oil to drop by more than 30 percent in little over a month. Participants generally expect OPEC will trim production at its Dec. 6 meeting by about 1.4 million barrels per day (bpd), but there is enough uncertainty to make traders defensive. Speculators, once betting on $100-a-barrel oil, are now going the other direction, having boosted short positions in oil to their […]