Trebla, I recently purchased this stock too and I am holding for the long term as I do believe it will be a winner.
There is an interesting article (another one) on copper in tonights Australian. You can view the article, titled Copper to lead commodities spike, at this link:
www.theaustralian.com.au/business/mining-energy
Intetrestingly, the article notes "many funds are not "all in" in terms of copper.