Copper <img src=http://stockcharts.com/c-sc/sc?s=PCU&p=D&b=5&g=3&i=p45782531037&a=154589626&r=6937><img src=http://stockcharts.com/c-sc/sc?s=FCX&p=D&b=5&g=3&i=p45782531037&a=154589629&r=1665><img src=http://stockcharts.com/c-sc/sc?s=OLN&p=D&b=5&g=3&i=p45782531037&a=154589761&r=5467><img src=http://stockcharts.com/c-sc/sc?s=SLT&p=D&b=5&g=3&i=p45782531037&a=154589645&r=6223>