Sri Lanka Telecom closed 1.20 rupees lower at 53.10 rupees and Ceylon Tobacco Company closed 10.00 rupees lower at 1,170.00 rupees.
John Keells Holdings closed 1.20 rupees lower at 258.30 rupees.
The Colombo benchmark All Share Price Index closed 43.71 points lower at 7,174.97, down 0.61 percent. The S&P SL20 closed 41.21 points lower at 3,974.42, down 1.03 percent.
Turnover was 1.57 billion rupees, down from 1.83 billion rupees last Friday with 68 stocks closed positive against 128 negative.
Peopleâ€™s Leasing and Finance closed 20 cents higher at 19.20 rupees with an off-market transaction of 121.01 million rupees changing hands at 19.00 rupees per share contributing 8 percent of the turnover.
The aggregate value of all off-the-floor deals represented 25 percent of the daily turnover.
Access Engineering closed flat at 28.00 rupees with market transactions of 141.77 million rupees contributing 9 percent of the turnover.
Browns Investments closed 10 cents higher at 1.80 rupees and Union Bank of Colombo closed 80 cents higher at 23.80 rupees, attracting most number of trades during the day.
Foreign investors bought 162.98 million rupees worth shares while selling 279.98 million rupees worth shares.