Zoom doubles forecast for full-year revenue on remote-work boost

Shares of the San Jose, California-based company rose nearly 5% in extended trading after Zoom's revenue and profit for the first quarter also beat estimates by a wide margin.The company competes with Cisco Systems Inc'sWebex, Microsoft CorpTeams and Google'sMeet platform for paying customers, particularly enterprises, while offering a free version to consumers.While Zoom's revenue increased sharply, its costs rose even more steeply.