 Coronado Global Resources Inc. CRN, 8.01 confirmed Wednesday that it has held confidential discussions with Peabody Energy Corp. BTU, -2.62 about a merger. The Australia-based coal miner said it was responding to a report in The Australian that said the company and the Missouri-based coal miner, which had a market capitalization of 3.80 billion as of Tuesdays close, were pondering a tie up as coal prices surged. 