What is the relationship between Glencore and mining in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Miner Glencore surged 9 percent, having dropped 30 percent in the previous session to an all-time low, with several brokers saying worries over the commodities and mining company's debt pile were overdone.

Answer: industry