http://hotcopper.com.au/threads/buying-a-good-idea-at-1-19.2707034/ I have included a link to one of the threads where I have put some of the past posts I refer to above for reference.
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch