Copper commanded its best price since mid-September as warehouse stocks fell to a new 13-month low. Aluminium and nickel hit their highest levels since late October, lead since late September, tin since mid-November and zinc since early December. In London, copper added 1.8%, aluminium 1.1%, lead 1.9%, nickel 3.7%, tin 0.55% and zinc 1.55%. US copper was recently up 1.6%.