The benchmark Colombo All Share Index closed 42. 31 points lower at 6,446.54 and the S&P SL 20 Index closed down 24.13 points at 3,641.91 down 0.06 percent.
Turnover was 696 million rupees, up from 556 million on last week Thursday the market closed early for a Bhuddhist religious festival Vesak.
Foreigners brought 159 million rupees worth shares while selling 46 million rupees of shares, in a day that 67 stocks advanced and 140 stocks declined.
Chevron Lubricants Lanka contributed most to the index gain closing at 314.70 rupees up 14.40 rupees. Ceylon Tobacco Company extended gains to close at 960.00 rupees up 8.50 rupees and C T Holdings closed at 153.00 rupees up 02.60 rupees.
In Banking sector, Hatton National Bank closed at 168.00 rupees down 2.00 rupees, DFCC Bank closed at 146.00 rupees down 2.00 rupees and National Development Bank closed at 174.10 rupees down 01.00 rupees
Commercial Bank of Ceylon closed at 122.50 rupees down 1.40 rupees, Pan Asia closed flat at 21.00 rupees. Union Bank of Colombo closed at 19.50 rupees down 30 cents and Sampath Bank lost 1.40 rupees to close at 223.40 rupees.
The Lion Brewery, lost 01.00 rupee to close at 425.00 and Distilleries Company of Sri Lanka gained 10 cents to close at 200.00 rupees.
Index John Keells Holdings lost 4.90 rupees to close at 288.90 rupees and Nestle Lanka lost 21.10 rupees to close at 2016.40 rupees.