Candy Crush Saga has been a smash hit, attracting tens of millions of players and generating spectacular profits for its developer, King Digital Entertainment.
But on Wednesday, when King had its debut on the New York Stock Exchange, investors feared that the company was at risk of becoming a one-hit wonder.
“Getting vertical takeoff is one thing,” said Rett Wallace, the chief executive of Triton Research, a firm that analyzes private companies. “But antigravity is harder.”