Why has consolidation failed to materialize?

Add your own comments to, and read the views of: Drew Niv, chief executive officer, Forex Capital Markets; Derek Sammann, Managing Director, FX Products, Chicago Mercantile Exchange; David Ogg, Head of Lava FX; Jack Jeffery, chief executive ICAP Electronic Broking; Chip Lowry, senior managing director, Global Link; Lars Seier Christensen, chief executive, Saxo Bank; Mark Robson, chief executive FXMarketSpace; Robin Poynder, Head of Treasury for Focus Group Accounts and Ed Nelson, Global Head of Business Operations, Treasury. Expert FX comment by people in the know.