Copper Rises on London Exchange on Declining Stockpiles, Output       
 By Chanyaporn Chanjaroen
                                         April 24 (Bloomberg) -- Copper rose in 
London as declining stockpiles and reduced production from Australia to Latin 
America crimped supply. Tin advanced to a record for a fourth day.     
        Stockpiles at exchanges in London, New York and Shanghai have shrunk 25 
percent this year, to less than four days of global demand. BHP Billiton Ltd. 
said copper output dropped 8 percent in the first quarter from a year earlier 
because of declines at Chile's Escondida, the world's largest copper mine, and 
Olympic Dam in Australia.     
        ``The market is quite short,'' said Andy McClelland, head of industrial 
metals at Sucden (U.K.) Ltd. in London. Continued declines in stockpiles may 
mean copper prices above $8,700 a metric ton, he said.     
        The contract for delivery in three months on the London Metal Exchange 
advanced $85, or 1 percent, to $8,640 a ton as of 1:09 p.m. The contract traded 
at a record $8,880 April 17.     
        Copper is in its seventh year of higher prices, buoying sales for 
mining companies including Freeport-McMoRan Copper & Gold Inc. The world's 
second-largest copper producer yesterday said first-quarter profit more than 
doubled.     
        LME-monitored copper stockpiles fell 275 tons to 112,200 tons, the 
exchange said today. Combined with those in Shanghai and New York, they total 
178,776 tons, according to Bloomberg calculations.     
        Codelco, the world's biggest copper producer, agreed to pay advances on 
2008 bonuses to striking workers from three of four unions for employees of 
Codelco contractors at the El Teniente mine, Mining Minister Santiago Gonzalez 
said yesterday. The offer was rejected by the Confederation of Copper Workers, 
known as CTC, the union that started the strike.     
        Workers Walk Out     
        Contract workers walked out last week after demands for higher pay and 
bonuses weren't met.     
        Tin gained as much as 2.2 percent to a record $24,602 a ton.     
        LME-monitored aluminum inventory expanded 11,900 tons, or 1.2 percent, 
to 1.04 million tons, the highest since June 4, 2004. Prices dropped $16 to 
$3,080.     
        Aluminum contracts expiring from July 2010 onwards declined April 22. 
The contract expiring December 2009 is now the most expensive of all LME 
aluminum futures, at $3,165 a ton, reflecting expectations for higher prices in 
that period.     
        Traders are concerned that output problems in producing nations such as 
South Africa and China may affect future supply, London-based analyst Michael 
Widmer at Lehman Brothers Holdings Inc. said in a report yesterday.     
        Zinc supply will outpace demand by 215,000 tons this year, while lead 
production will beat consumption by 26,000 tons, the Lisbon-based International 
Lead and Zinc Study Group said today in a report. In October, the group 
projected zinc oversupply of ``just under a quarter of a million tons'' and ``a 
close balance'' in lead.     
        Lead dropped $44, or 1.6 percent, to $2,765 a ton and zinc added $6 to 
$2,245. Nickel rose $150 to $28,850.     
        To contact the reporter on this story: Chanyaporn Chanjaroen in London 
at  [EMAIL PROTECTED]    
                       Last Updated: April 24, 2008  08:23 EDT
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