COAL_W 8 years stockcharts.com/c-sc/sc?s=$DJUSCL&p=W&yr=7&mn=0&dy=0&i=p74399608565&a=313420878&r=145 . STEEL_W 8 years stockcharts.com/c-sc/sc?s=$DJUSST&p=W&yr=7&mn=0&dy=0&i=p74399608565&a=314351159&r=341