The benchmark Colombo All Share Index closed 21.68 points lower at 6,130.24 and the S&P SL 20 Index closed 18.71 points lower at 3,451.45 down 0.54 percent.
Turnover was 372 million rupees up from 285 million Thursday with over 18 million shares traded.
Foreigners brought 150 million rupees worth shares while selling 90 million rupees of shares, in a day that 72 stocks advanced and 116 stocks declined.
Union Assurance contributed most to the index closing at109.10 rupees up 12.10 rupees. Commercial leasing closed at closed at 4.00 rupees up 1.00 rupees and The Lion Brewery closed at 370.00 rupees up 7.30 rupees.
Negative contributors were John Keells Holdings closing at 262.30 rupees down 2.00 rupees and Cargills Ceylon closing at 155.00 down 5.00 rupees. Dialog Axiata closed at 8.60 down 0.10 rupees.
In the banking sector, Sampath Bank closed at 193.70 rupees down 1.90 rupees, Pan Asia closed at 17.40 rupees down 0.20 rupees. DFCC closed at 128.10 rupees down 2.70 rupees and Commercial Bank of Ceylon closed flat at 119.00 rupees.
Ceylon Tobacco Company closed at 1,201.00 down 1.00 rupee and Distilleries Sri Lanka closed at 194.00 down 0.90 rupees.