Shares of “Angry Birds” maker Rovio Entertainment Corp. plunged 22% Thursday after a surprise, third-quarter loss raised fresh questions about the company’s ability to navigate the fickle tastes of today’s mobile gamers. Thursday’s rout came after the Finnish company reported its first earnings since going public in September. That listing—envisioned years ago when “Angry Birds” was a runaway hit and Rovio was one of Europe’s most promising tech startups—was scaled back sharply. Instead of listing in New York, the company...

Source: Wall Street Journal November 23, 2017 13:52 UTC