Aluminum is a partial substitute for copper; currently copper is more then two times more expensive then the same weight of aluminum. Aluminum is also a component of the Deutsche-bank commodities index DBLCI which is tracked by the DBC ETF.
		
		
	
	
		 
	 
		 
	 
		 
	 
source: http://cmd-chart.blogspot.com/
				
			 
	 
	 
	source: http://cmd-chart.blogspot.com/
 
	 
 
		 
	