Benakat lost 9.2% to Rp158, the lowest level in more than one year. The stock dropped 35% from its peak of Rp245 in November 2012.

The stock was traded heavily, with more than 99 million shares exchanged hands, way above the average daily trading volume of 31 million in the past three months.

Benakat initially expected to close the acquisition of Astrindo Mahakarya Indonesia, a coal infrastructure company, for US$600 million late last year. (Indonesia Today)