At 9.13am, the index eased 4.5 points to 1,638.71 from Wednesday’s close of 1,643.21.
It opened 0.8 point better at 1,644.01.
On the broader market, gainers were slightly higher than decliners 150 to 116, while 212 counters remained unchanged, 1,378 untraded and 31 others suspended.
Turnover stood at 258.79 million shares worth RM89.28 million.