ABTERRA group general manager John Baey Yam Chye, 62, has retired after almost 12 years at his current position.

MINERAL and resources company Abterra was suspended from trading on Monday morning, after the bourse operator nixed a request for more time to hold its annual general meeting.

MINERAL and resources company Abterra was suspended from trading on the Singapore Exchange (SGX) on Monday morning, after its request for an extension on time to hold its annual general meeting...