It all happened after the market closed. If it was a serious issue, like a leaky boat etc, then it would have happened during the course of regular trading. I'm not worried unless it repeats on open tomorrow.
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