Shares of Amman Mineral International (AMMN) opened lower by 1.3% to Rp11,400 this morning to make a market capitalisation of Rp826.7 trillion or around US$51.4 billion, bigger than Newmont Corporation (NYSE: US$51.3 billion) from whom it purchased the Batu Hijau gold and copper mine in West Nusa Tenggara (NTB) province few years ago.To subscribe please click here