KUALA LUMPUR, May 22 — The proprietary day trading (PDT) and intra-day short-selling (IDSS) for refiner Heng Yuen Refining Company Berhad was suspended by Bursa Malaysia this morning after its share price slid by 15 per cent in early trade today.

Bursa announced that the PDT and IDSS for the company will only resume at 8.30am tomorrow.

At 9.11am, Hengyuan had fallen 83 sen to RM7.46. There were 1.10 million shares done.

Hengyuan reported weaker earnings in the first quarter ended March 31, 2018 at RM86.8 million compared with RM279.5 million a year ago.