Unity’s stock rises 32% in first-day trading to $18.1 billion value

Unity Technologies saw its stock price rise 32% to $68.88 a share in the first day of trading as it launched an initial public offering at a $13.6 billion valuation.

Trading under the symbol U, the stock opened on Friday morning at $52 a share, and the market value rose to $18.1 billion by the end of the day. Unity makes the Unity game engine developers use to create games and other computer-generated entertainment.