Signage stands near the Glencore Plc headquarters office in Baar, Switzerland, on Friday, July 6, 2018. Glencore will buy back as much as $1 billion of its shares, a move that may soothe investor concerns after the worlds top commodity trader was hit by a U.S. Department of Justice probe earlier this week. Photographer: Stefan Wermuth/Bloomberg Photo by Stefan Wermuth / Bloomberg