Refer to the input text as context and select the correct relationship between 'Glencore' and 'Mining' from the available options.
Options: manufacturer, industry, product/material produced, stock exchange

Mining stocks were mostly lower as risk appetite waned, with heavyweights BHP Billiton (NYSE: BBL - news ) , Glencore (Xetra: A1JAGV - news ) and Anglo American (LSE: AAL.L - news ) all registering falls.
industry