AVYA - Avaya Cloud Office expands globally adds new features June, 30 2020 12:00 PM Avaya Holdings Corp. Avaya Holdings (AVYA -1.6%) and RingCentral (RNG +4.3%) have announced global expansion of their Avaya Cloud Office.More news on: Avaya Holdings Corp., RingCentral, Inc., Tech stocks news, Stocks on the move Read more ...