Utilize the input text as a context reference, choose the right relationship between Glencore and Mining from the options. Options: 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.

Mining companies also gained ground, with Glencore (GLEN.L) the top FTSE stock as it rose 2.9 percent after copper prices climbed close to a one-month peak on cuts to mine supply and a revival in Chinese demand.

Answer: industry