GLOBAL ALUMINIUM WRAP: Premiums mostly flat; Brazilian import premium dips Aluminium premiums across the globe were mostly flat in the week ending Tuesday January 12, with market participants continuing to keep a close watch on the volatile London Metal Exchange spreads. Uncertainty in Europe due to spreads Import premium widens in Brazil US Midwest market quiet Backwardations create uncertainty in Europe Aluminium premiums throughout Europe continued to have good support from tight availability of metal across the continent, but uncertainty was growing about whether that trend would persist, due to narrow LME spreads. Fastmarkets assessed the aluminium P1020A premium, in-whs dup Rotterdam, at $110-115 per tonne on Tuesday, flat from the week before.