This is a very powerful indicator that we have entered a deflationary era, and the Federal Reserve has been attempting to combat this by absolutely flooding money.
http://theeconomiccollapseblog.com/archives/tag/deflation
Remember that "CASH IS KING"
http://graphics.wsj.com/materials-meltdown/?mod=e2fb
Commodity prices have plunged as the extent of China's slowdown has become apparent.
CHARTS