Didn't link  here is part of the article 

"Further down the food chain, a select few are experiencing amplified volatility as traders scour the landscape for leverage. Picking one out at random, Copper Fox Metals (CUU.V) went on a wild ride on no news... none I can spot anyway.

On May 14, Copper Fox issued a press release stating that it's unaware of any material change in the company's operations that would account for the recent increase in market activity (Copper Fox's project portfolio includes two advanced-stage and three exploration-stage Cu projects in Canada and the U.S., including a 25% interest in the Schaft Creek project, a JV with Teck Resources).

If you're confused about all the hullabaloo surrounding copper, this might help you get up to speed: The Investment Cases for Copper."

From CEO newsletter