Take context from the input text and decide on the accurate relationship between 'Glencore' and 'mining' from the options provided.
Options: currency, manufacturer, location of formation, industry

LONDON (ShareCast) - (ShareCast News) - UK stocks were in the red on Monday, led by Glencore (Xetra: A1JAGV - news ) after a broker warned the mining company holds little value for shareholders.
industry