Alumina agrees to $2.2B all-stock buyout offer from Alcoa (NYSE:AA)
Jeff Swensen/Getty Images News Alcoa (NYSE:AA) said late Monday it entered into a binding agreement to acquire Alumina Ltd. (OTCQX:AWCMF) (OTCQX:AWCMY) in an all-stock deal on terms consistent with the previously agreed transaction that…