RNG - RingCentral +5.9% as JPMorgan upgrades to Overweight October, 07 2019 09:29 AM Ringcentral Inc. Class A RingCentral (NYSE:RNG) is up 5.9% premarket after a boost to Overweight by JPMorgan, from Neutral.More news on: RingCentral, Inc., Avaya Holdings Corp., Tech stocks news, Stocks on the move Read more ...