** Shares of space services firm Rocket Lab RKLB.O rise 9% to $85.6 in premarket trading

** RKLB forecasts Q2 revenue to be between $225 million and $240 million, above analysts' estimate of $205.1 million - data compiled by LSEG

** Q1 revenue jumps 63.5% to $200.3 million

** "We exited the quarter with $2.2 billion in backlog and currently have access to more than $2 billion in liquidity" - company

** RKLB signs agreement to acquire Motiv Space Systems, which focuses on space robotics, motion control systems, and precision mechanisms for spacecraft

** Up to last close, shares up 12.6% this year