TV.TO and zinc prices Nice chart by Wood Mac showing recent history of LME zinc market. They are calling for a peak of 3800/tonnne in 2018 https://www.woodmac.com/ms/highest-returns/zinc-poised-for-2017-price-rally/ This is most recent Reuters article with less bullish forecast. http://www.reuters.com/article/us-metals-zinc-bulls-idUSKBN17E03G Also it looks like this will be the next major mine in 4 years. Zinc is a trade. http://www.reuters.com/article/us-iran-zinc-idUSKBN16K290