(suggesting it will go lower overnight)

Wrong.  POG continued higher in Asia and London and started the day on our continent at a new all-time high, presently $2,396, up $24.70. 

Silver is more robust, too, at $29.13, up 3+ percent. 

This has been too much of a bull run to be in the ordinary course of things.  Something may be going on which is unseen at present.