LME Aluminum Stockpiles Sink to Lowest Level Since 1990

Norwegian aluminum producer Norsk Hydro's Alunorte plant in Brazil, one of the world's largest alumina refineries, reduced output by 50% following disruptions to natural gas availability. Bloomberg reports that disruptions to NatGas availability at Alunorte forced a 50% reduction in output and sent aluminum prices in London to a seven-week high. Hydro said production would return to full capacity once gas supplies normalize. Aluminum rose nearly 2% in London and traded at $3,373 a metric ton. Alumina futures gained 1% in Shanghai. NatGas is critical…