Base metals prices on the London Metal Exchange were mostly higher during morning trading on Monday October 1, supported by the overnight finalization of the trilateral North America Free Trade Agreement (Nafta) trade deal between the United States, Mexico and Canada.
The three-month aluminium price was recently up 0.7% on the pre-weekend close, buoyed by the fresh cancelation of around 41,200 tonnes of warrants - the largest since July 27.Still, the metal has been broadly rangebound between $2,000 and $2,100 per tonne since the US imposed sanctions on Russian aluminium producer Rusal in April although supply disruptions at major alumina and bauxite operations over the summer - notably Alunorte and Alcoa - have put upward pressure on the market.Three-month zinc also found support - it continues to trade above $2,600 per tonne, up 5% from the low of $2,487 per tonne on September 24, while lead was...