REUTERS/Alexandre MeneghiniLONDON, Sept 16 (Reuters) - The puzzle facing the zinc market is whether demand or supply will fall hardest this year. LME zinc fund net positioningLOW STOCKSThe outright price is falling despite low exchange inventory. Fastmarkets assessments of Antwerp and Italy premiumsSUPPLY HITEurope is at the epicentre of the global zinc supply hit as smelters struggle to cope with soaring power prices. SHIFTING BALANCEZinc's micro dynamics are shifting fast and at the moment it seems that the demand hit is outpacing the supply hit. It's the demand outlook that's weighing on the outright zinc price.

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