South Korea is enforcing a new game-rating system, and Facebook games won't work unless they go through the regulatory process to get an official approval from the government.
King, the publisher of popular smartphone and social games like Candy Crush Saga, is down nearly 25 percent in after-hours trading today on the New York Stock Exchange. The company’s stock is currently at $14.20, which is down from $18.20 when the market closed earlier this afternoon.