Turnover was 872.63 million rupees, down from 1.45 billion rupees last Friday, with stocks of 137 firms closing in the red against 48 gainers.
JKH topped the turnover contribution list with one off market transaction of 164.50 million rupees contributing to 19 percent of the turnover.
Touchwood Investments closed 30 cents higher at 3.20 rupees, attracting most number of trades during the day.
Foreigners bought 249 million rupees worth shares while selling 282 million rupees of shares.
JKH closed 7.80 rupees lower at 239.20 rupees and Finlays Colombo closed 46.90 rupees lower at 253.10 rupees, contributing most to the index drop.
JKH’s W0022 warrants closed 2.30 rupees lower at 77.70 rupees and its W0023 warrants closed 4.70 rupees lower at 80.30 rupees.
Nestle Lanka ended 25.30 rupees lower at 2,125.20 rupees and C T Holdings closed 6.00 rupees lower at 144.00 rupees.
Ceylon Tobacco Company closed 88.90 rupees higher at 1,340.20 rupees and Ceylon Cold Stores ended 10.50 rupees higher at 165.50 rupees.
Lion Brewery closed 5.00 rupees higher at 385.00 rupees and Distilleries closed 50 cents higher at 205.50 rupees.
Carson Cumberbatch ended flat at 355.00 rupees and Bukit Darah also ended flat at 612.00 rupees.
Cargills Ceylon closed 1.30 rupees lower at 152.10 rupees and Commercial Bank closed 1.90 rupees lower at 128.00 rupees.
Ceylinco Insurance ended 49.80 rupees higher at 1,449.80 rupees and Lanka Orix Leasing Company ended 1.70 rupees higher at 75.00 rupees.