The following are the biggest percentage decliners on the TSX Venture Exchange in mid afternoon trading with their price movements ANGLO BOMARC MINES (ANB.V), $0.12, 0.06, 33.33% SAMA RESOURCES (SME.V), $0.09, 0.04, 30.77% SIGMA INDUSTRIES (SSG.V), $0.09, 0.04, 30.77%