NGG - National Grid -4% on report U.K. Labour party plans to re-nationalize utility March, 28 2019 12:18 PM National Grid Transco PLC PLC American Depositary Shares National Grid (NGG -4.6%) tumbles after the BBC reported that the U.K.'s Labour party is preparing to announce plans to re-nationalize the utility.More news on: National Grid plc, Energy stocks news, Stocks on the move, Read more ...