Here is a page on Zinc:
http://www.kitcometals.com/charts/zinc_historical_large.html
Doesn’t seem real great, at the moment. That could change though, along with a lot of things if Trump is serious, about re-establishing American strategic metals supplies (which I certainly think he should)
Not sure though, doesn’t seem to be much follow-through at the moment.
Actually I was referencing a Barney Miller episode, where a man from the future told Detective Harris to invest in Zinc,
“How much is Zinc going for these days? 30 cents a pound? Well I think I can spring for a couple of tons!”