Shares of Golden Energy Mines (GEMS), a coal miner controlled by Sinarmas Group, jumped nearly 16% to Rp8,025 on Friday (Sep 2) to make a market capitalization of Rp47.21 trillion. Shares of ABM Investama (ABMM), controlled by Hamami Family, also surged by 10% to Rp3,300 to make market capitalization of Rp9.09 trillion. To subscribe please click here