Utilize the input text as a context reference, choose the right relationship between 'Glencore' and 'mining' from the options.
Options: industry, headquarters location, brand, founded by

Investors drew some relief as mining and trading giant Glencore recovered 16.9 percent overnight having falen to a record low at the start of the week on concerns over the company’s ability to withstand a prolonged decline in metals prices.
industry