Zinc’s everywhere. It helps protect steel from corrosion and our skin from the sun. It makes fireworks sparkle and is even used to treat an upset stomach.
Like many commodities, it’s got a lot cheaper because there’s more of it than we need. That may be about to change after Glencore Plc, the world’s largest producer of the mined metal, said it’s going to cut output by a third. Zinc prices jumped the most since at least 1989 on Friday in response.