Shares of mining contractor Petrosea (PTRO), member of Prajogo Index, ended higher by 1.46% to Rp3,470 on Friday (Feb 14) to make a market capitalization of Rp35 trillion, bigger than state coal miner Bukit Asam (Rp31.2 trillion). The stock, as you know, has gained more than 700% in the past 12 months. To subscribe please click here