UPDATE 4-U.S. shale producer Concho offers $8 billion for rival RSP Permian
March 28, 2018 at 12:06 PM EDT
March 28 (Reuters) - U.S. shale producer Concho Resources Inc on Wednesday agreed to buy rival RSP Permian Inc in an $8 billion all-stock deal that could trigger a wave of consolidation in the fast-growing Permian Basin oilfield.