Published December 8, 2015 5:05pm EST | Updated December 8, 2015 6:04pm EST

NRG CEO Crane Steps Down, Replaced By Gutierrez

NRG Energy Inc. said late Tuesday that President and Chief Executive David Crane is stepping down, effective immediately. NRG shares rose 0.8% to $10.17 in after-hours activity. Replacing Crane is Mauricio Gutierrez, who has served as chief operating officer since 2010, NRG said.