Big Coal Tanking this Week

Major US coal companies hit 10-year lows this week. 

Peabody Energy (NYSE: BTU) dropped to the low $3 per share range, trading at $3.25 today. 

Alpha Natural Resources (NYSE: ANR) is trading at .43 cents today, down from a high of $65 per share in mid-2011.

Arch Coal Inc (NYSE: ACI) is trading today at .46 cents a share, down from a high of $71.50 per share in mid-2008.