At 5pm, the key index slipped 0.4 of a point to 1,644.6 after opening 0.46 of a point higher at 1,645.6.
The market barometer moved between 1,644.23 and 1,647.94.
“The sharp rise on the index for the past four trading days has opened profit-taking opportunities and added pressure as the index climbs toward the 1,650 to 1,660 level,” a dealer said.
The Finance Index rose 31.79 points to 14,730.36, the Plantation Index went up 32.72 points to 8,848.34 while the Industrial Index was 11.5 points lower at 2,870.59.
The FBM Emas Index climbed 5.07 points to 11,254, the FBMT100 added 3.28 points to 11,070.84 while the FBM Ace Index was 17.08 points lower at 4,321.59.
Advancers led decliners by 389 to 378 while 357 counters closed unchanged, 464 untraded and 10 others suspended.
Total volume declined to 1.109 billion shares valued at RM1.591 billion from yesterday’s 1.13 billion shares, valued at RM1.46 billion.
Active stocks included Cybertowers which shed six sen to 31 sen, Luster Industries which slipped one sen to 10.5 sen, Globaltec Formation which slipped half a sen to eight sen while Sapura Kencana Petroleum added 11 sen to RM2.45 and GPRO Technologies added half a sen to 21.5 sen.
Of the heavyweights, Maybank and Petronas Chemicals added one sen each to RM8.78 and RM6.59, respectively, Tenaga went up two sen to RM6.75, Sime Darby lost two sen to RM9.94 while CIMB was flat at RM7.90.
The Main Market volume rose to 767.578 million shares valued at RM1.521 billion from 739.35 million shares valued at RM1.37 billion yesterday.
Turnover on the ACE Market decreased to 232.649 million shares worth RM50.968 million from 300.44 million shares worth RM69.69 million yesterday.
Warrants increased to 103.534 million units valued at RM17.107 million against 81.64 million units valued at RM12.25 million registered yesterday.
Consumer products accounted for 42.285 million shares traded on the Main Market, industrial products 222.677 million, construction 35.123 million, trade and services 260.075 million, technology 40.888 million, infrastructure 12.447 million, finance 54.613 million, hotels 206,100, properties 57.792 million, plantations 34.689 million, mining 20,000, REITs 6.722 million and closed/fund 36,500.