JAKARTA (Yosefardi) – Shares of plastic and construction material producer PT Impack Pratama Tbk (IMPC) gained 50% to Rp3,300 per share at its trading debut this morning, the biggest gainer at stock exchange.

Some 167,800 shares were exchanged hands. The company offered 150 million shares through the initial public offering, priced at Rp3,800 per share, raising total proceeds of Rp570 billion.

IMPC booked net profit of Rp121 billion in first half of 2014 on revenues of Rp696 billion. Last year, it booked net profit of Rp294 billion on revenues of Rp1.24 trillion. Its assets totaled Rp1.49 trillion while liability amounted Rp776 billion.