Distilleries closed 3.50 rupees lower at 210.00 rupees and Nestle Lanka closed 13.30 rupees lower at 2,085.10 rupees.
Dialog Axiata closed 30 cents lower at 12.10 rupees.
The Colombo benchmark All Share Price Index closed 32.26 points lower at 7,320.89, down 0.44 percent. The S&P SL20 closed 18.44 points lower at 4,086.25, down 0.45 percent.
Turnover was 1.99 billion rupees, up from 1.69 billion rupees a day earlier with 60 stocks closed positive against 128 negative.
The aggregate value of all off-the-floor deals represented 4 percent of the daily turnover.
Vallibel Power Erathna closed 50 cents lower at 6.80 rupees, attracting most number of trades during the day.
Foreign investors bought 212.91 million rupees worth shares while selling 1.18 billion rupees worth shares.
John Keells Holdings closed 3.90 rupees lower at 253.10 rupees with the company announcing an interim dividend of 1.00 rupee per share, contributing most to the index drop.