 New York, New York--Newsfile Corp. - January 21, 2021 - Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of Magnite, Inc. NASDAQ: MGNI fka Telaria, Inc. NYSE: TLRA andor Rubicon Project NYSE: RUBI resulting from allegations that Magnite may have issued materially misleading business information to the investing public.On January 7, 2021, Spruce Point Management released a report detailing Magnites dubious business... 