Copper extends rally to another record peak amid tight non-U.S. supply
Three-month copper on the London Metal Exchange gained 1.1% to $14,674 a metric ton by 1040 GMT, extending its rally on speculative buying tied to tight supply outside the U.S. and weak mine output.
S. and weak mine output. Three-month copper on the London Metal Exchange LME:CA1! 1% to $14,674 a metric ton by 1040 GMT, surpassing the previous peak.