Peabody Energy, a coal mining company, was falling early Monday after it agreed to buy the steelmaking coal business of mining giant Anglo American.Shares fell 1.7% to $26.95 when the market opened. The company is paying up to $3.

Peabody Energy (NYSE:BTU) -7.2% in Monday's trading after it agreed to buy Anglo American's (OTCQX:AAUKF) (OTCQX:NGLOY) coal business for nearly $3.8B, even while analysts appear to react positively to the deal.

Anglo American signed a deal to sell its remaining steelmaking coal assets to U.S. miner Peabody Energy for up to $3.8 billion, the first major step in its large-scale business reshaping.