FILE PHOTO: The logo of commodities trader Glencore is pictured in front of the company’s headquarters in Baar, Switzerland, November 20, 2012. REUTERS/Arnd Wiegmann/File Photo
FILE PHOTO: The logo of commodities trader Glencore is pictured in front of the company’s headquarters in Baar, Switzerland, November 20, 2012. REUTERS/Arnd Wiegmann/File Photo