The marginal decline of 0.18 points to 1,604.05 comes as investors take profit during the holiday season even as sentiment over year-end window-dressing activities continue to prop up the market.
Trading volume on the stock exchange remained subdued at 1.05 billion shares valued at RM535.34mil.
Heavyweights on a slide include Public Bank dropping 10 sen to RM19.72, Petronas Gas falling 40 sen to RM17.60 and Maxis sliding three sen to RM5.36.
Maybank helped to mitigate some of the index losses, rising four sen to RM8.64 while IOI climbed eight sen to RM4.64 and PPB added 26 sen to RM19.72.
Top actives were Bumi Armada up 2.5 sen to 53.5 sen, Sapura Energy up 0.5 sen to 26.5 sen and Tiger down one sen to nine sen.
Oil prices rose on Thursday, buoyed by a potential breakthrough in the Sino-U.S. trade war and OPEC-led efforts to constrain supply, although trading was quiet as many markets were in holiday mode.
US crude gained 25 cents to US$61.35 a barrel and Brent crude rose 28 cents to US$67.48 a barrel.
On the forex market, the ringgit was flat against the US dollar at 4.1340, down 0.15% against the pound sterling at 5.3676 and flat against the Singapore dollar at 3.0507.
Did you find this article insightful?