An excavator loads coal at Macarthur Coal's Moorvale mine located about 750km (466 miles) northwest of Brisbane in this undated file handout photograph. Peabody Energy and Arcelor Mittal have offered to buy Australian coal miner Macarthur Coal valuing the firm at A$4.7 billion ($5.05 billion) or at a 40 percent premium to July 11, 2011 Monday's close
A dragline exposes a seam of coal at Macarthur Coal's Coppabella mine, about 760km (472 miles) northwest of Brisbane, in this undated file handout photograph. Peabody Energy and Arcelor Mittal have offered to buy Australian coal miner Macarthur Coal valuing the firm at A$4.7 billion ($5.05 billion) or at a 40 percent premium to July 11, 2011 Monday's close
Heavy vehicles operate at Macarthur Coal's Coppabella mine, about 760km (472 miles) northwest of Brisbane, in this undated handout photograph made available July 12, 2011. Peabody Energy and ArcelorMittal look set to succeed with their $5 billion takeover offer for Macarthur Coal , investors bet on Tuesday, as they drove the target's shares up 37 percent.
A man walks next to handling and processing equipment at Macarthur Coal's Coppabella mine, about 760km (472 miles) northwest of Brisbane, in this undated handout photograph made available July 12, 2011.
Handling and processing equipment operate above a coal stockpile at Macarthur Coal's Coppabella mine, about 760km (472 miles) northwest of Brisbane, in this undated handout photograph made available July 12, 2011. Peabody Energy and ArcelorMittal look set to succeed with their $5 billion takeover offer for Macarthur Coal , investors bet on Tuesday, as they drove the target's shares up 37 percent.
