FILE - This April 18, 2011 file photo shows the headquarters of Glencore in Baar, Switzerland. Commodities trader Glencore , which supplies key raw materials such as oil, copper and wheat and owns ... more 
FILE - This April 18, 2011 file photo shows the headquarters of Glencore in Baar, Switzerland. Commodities trader Glencore , which supplies key raw materials such as oil, copper and wheat and owns plants, warehouses and mines, said Tuesday, Aug. 21, 2012, its first-half net income attributable to shareholders fell to US dollar 2.275 billion, down from US dollar 2.474 billion in the comparable period of 2011. (AP Photo/Keystone, Martin Ruetschi) less 
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Associated Press | Photo By Keystone, Martin Ruetschi
Tue, Aug 21, 2012 9:16 AM EDT