According to several reports, DeNA is under investigation by the FTC, prompting their shares to sink 10% this afternoon http://bit.ly/hGUzzQ
Japan’s DeNA in anti-competition probe
Japanese social networking site operator DeNA said it is being investigated by regulators on suspicion of unfair competitive practices, sending its shares down more than 10 percent. DeNA operates a popular mobile-only social game site, called “Mobage-town”, which has 20 million users in Japan.
A company source told Reuters that the Fair Trade Commission is looking into whether DeNA had treated a mobile game developer unfairly after the developer created a game for a rival website owned by Gree Inc.