The following are the biggest percentage gainers on the TSX Venture Exchange in mid afternoon trading with their price movements CANCANA RESOURCES (CNY.V), $0.2150, +0.0450, +26.47% RAISE PRODUCTION (RPC.V), $0.72, +0.14, +24.14% SDX ENERGY (SDX.V), $0.39, +0.07, +23.81% RENAISSANCE