Take context from the input text and decide on the accurate relationship between 'Glencore' and 'mining' from the options provided.
Options: industry, chairperson, stock exchange, position held

LONDON—Collapsing commodity prices have forced one of the mining world’s most aggressive chief executives into retreat, pushing Glencore PLC’s Ivan Glasenberg on Monday to scrap the company’s dividend, issue more stock and sell assets.
industry