Tarsus Group has acquired a 50 per cent stake in organiser AMB Group as part of a joint venture, AMB Tarsus Exhibitions (AMBT), that will expand the firm’s reach into south east Asia. The purchase, from AMB Group’s Andrew Siow and Richard Yew, for about US$13m (£9m), is structured to give the group the potential to buy the remainder of the business. Tarsus officials sa...