Some continued speculative trading in shares related to Bakrie Group, which is seen in huge trading volume and volatility. Average trading volume of Bumi Resources (BUMI), the largest coal producer in Indonesia, for example, was 722 million shares per day in the past three months as thermal coal hovers above US$80 per ton. Average trading volume in Energi Mega Persada (ENRG), the oil and gas producer, was 561 million shares per day in the period.To subscribe please click here