I have heard of this thing called the autobot which does that to manipulate the sp. They try to get the sp down so they can buy in lower.
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks