CVA - Covanta to develop new energy-from-waste plant in China December, 11 2019 05:12 PM Covanta Holding Corporation Covanta (NYSE:CVA) +1.9% after-hours following news it signed a 30-year concession agreement with a local partner to build and operate a new energy-from-waste facility in Zhao County, China.More news on: Covanta Holding Corporation, Energy stocks news, Read more ...