Tevogen gains after it reaffirms revenue forecast for experimental oncology drugs
** Shares of drug developer Tevogen TVGN.O up 49.35% at $1.40 in after-market trading ** Company reaffirms top-line revenue forecast for its experimental oncology drugs ** Projects $1 billion in revenue in its launch year and a cumulative 5-year estimate of between $10 billion and $14 billion ** Stock down 9% YTD (Reporting by Sriparna Roy in Bengaluru) ((Sriparna.Roy@thomsonreuters.com;))