The following are the biggest percentage gainers on the TSX Venture Exchange in mid afternoon trading with their price movements SHOAL GAMES (SGW.V), $0.75, +0.17, +29.31% NEWNORTH PROJECTS (NNP.V), $0.19, +0.04, +26.67% ATACAMA PACIFIC GOLD (ATM.V), $0.19, +0.03, +22.58%