This is pretty common knowledge, if you don’t know this you shouldn’t be investing in a zinc mine in the North Pole.
I’ll do your research for you; “We’ll bring back tonnage when we believe the market requires it,” said Ivan Glasenberg, Glencore chief executive, on Tuesday.”
You can keep your crystal ball.
Ref: https://www.google.com.au/amp/s/amp.ft.com/content/a25ae13c-e011-11e7-a8a4-0a1e63a52f9c
