Rovio closes flat, at €11.50, on its first day of trading, valuing the company at $1B Ingrid Lunden / TechCrunch : TechCrunch 2017-09-29 Ingrid Lunden Rovio, TechCrunch, Ingrid Lunden Related Coverage View article Reuters View article Mobile World Live View article Phys.org View article Hitech News Daily View article Variety View article PE Hub Blog View article VentureBeat View article New York Times View article TechCrunch