Golar LNG gains on plans to order its fourth FLNG unit

** Shares of Golar LNG GLNG.O rise 3.5% to $41.61 premarket

** Company says based on the increasing demand for floating liquefied natural gas (FLNG), it plans to order its fourth FLNG unit before locking in a charter to drive competitive tension

** GLNG says it is the same approach successfully executed for the Hilli and MkII unit

** Q2 operating revenue rises to $75.7 mln from $64.7 mln a year earlier

** As of last close, GLNG shares down 5% YTD