TORONTO, ONTARIO — (Marketwired) — 07/30/13 — Glencore Xstrata plc subsidiary, Xstrata Canada Corporation, announced that effective today it has changed its name to Glencore Canada Corporation.About Glencore Xstrata plcGlencore Xstrata is one of the world-s leading integrated producers and marketers of commodities, headquartered in Baar, Switzerland, and listed on the London and Hong Kong Stock Exchanges. Glencore Xstrata has worldwide activities in the production, sourcing, processing, ref