Indonesia's Indo Tambangraya jumps 27 pct on debut

JAKARTA, Dec 18 (Reuters) - Shares of Indonesian coal miner, PT Indo Tambangraya Megah (ITMG.JK), a unit of Thai's Banpu Pcl BANP.BK, jumped nearly 30 percent on Tuesday after an IPO to raise 3.16 trillion rupiah ($335.8 million).

Indo Tambangraya's shares opened 14.3 percent higher at 16,000 rupiah, before extending gains to 17,800 rupiah in early trade. ($1=9,410 rupiah) (Reporting by Harry Suhartono, editing by Ed Davies)