Zinc
Mavens- don't waste your money....spend it on Whiskey (Canadian) women and song...in that order.
Those of us still speculating might want to read this:
https://business.financialpost.com/2015/01/20/zinc-and-nickel-upside-imminent-clarus/?__lsa=60f0-4786
PS if you insist on investing consider subscribing to McCoach & consulting with MJB for generaly good advice ;-)
Ben