An employee holds gold pieces, each weighing 100 grams, at the state-owned mining company PT Antam Tbk metal refinery in Jakarta July 13, 2012. Gold edged up on Monday, extending its winning streak into a seventh session as dimming prospects for global growth support expectations of more stimulus measures from central banks around the world. Picture taken July 13, 2012. REUTERS/Beawiharta (INDONESIA - Tags: BUSINESS COMMODITIES)