(Reuters) -Luminar Technologies CEO Austin Russell will buy a majority stake in Forbes Global Media Holdings in a deal that values the business news publisher at nearly $800 million, Russell and Integrated Whale Media Investments (IWM) said in a statement on Friday. "It is only fitting that now through this transaction, a true innovator and visionary Austin Russell will be the new steward for the brand", Forbes CEO Mike Federle said in a statement to Reuters. Forbes, one of the oldest media outlets in the United States, publishes its eponymous flagship magazine which reaches 5 million readers