Thermal coal may have retreated 61% year-on-year to US$160 per ton, but some continue to invest in the sector. Singaraja Putra (SINI), owned by Hapsoro (Happy) Sukmonohadi, plans to acquire a coal mining holding company PT Dwi Daya Swakarsa (DDS) for Rp899 billion value, from PT Barito Energy. To subscribe please click here