As at 9.25 am, the shares were changing hands at $1.68.
Seatrium shares surged following its announcement on Saturday that it has won $11 billion in new orders from longtime customer Petrobras.
Seatrium shares reached as high as $1.80, up 16.9% over last Friday's close of $1.54, before easing somewhat to end the day at $1.72, up 11.69%.
