Its illiquid - pure and simple. Someone just moved the price 12% in London by buying AUD 14k worth. The market is slowly coming to believe, as I do, that a deal can be done soon- so the discount to cash is being closed.
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