Dr Copper the 'canary in the coal mine'?

COPPER Weekly Chart @ Close 08/30/2013

Not only an OUTSIDE DOWN DAY mid- week; Copper puts in the same on a WEEKLY basis.
With many cross- currents buffeting global markets; Copper usually serves as the one that rarely 'lies'.
That said; then are the $2.99 lows @ risk with implications for ALL markets & the Global Economic Outlook?