CP i think thats where you differ from most..your definitions are a bit messed up... http://www.*****net.com/charts/metals/base/spot-copper-5y-Large.gif
Copper prices will fluctuate just like any other metal or commodities..theres a huge differnce between volatility and plummeting... The economics of TGS are still excellent based on $3.03..
When i say have they plummeted = no i mean in reference to the last few months