The benchmark index dropped 1.2 percent last week, recording its third straight weekly fall. It declined about 1 percent in January. Turnover was 765.3 million rupees ($4.26 million), less than last year's daily average of 834 million rupees. The rupee ended at 179.70/80 per dollar, compared with Friday's close of 179.40/80.
Finance Minister Mangala Samaraweera will present the 2019 budget on March 5. Government authorities are in discussion with the IMF to continue a $1.5 billion loan which was delayed after a political crisis unfolded in October.