Sri Lankan rupee ended 0.4% weaker on Tuesday at 178.00/05 per dollar, compared to Monday's close of 177.30/50 as investors waited for more clarity on the political front.
The currency was down 0.2% for the last week, but is up nearly 2.6% so far this year. Foreign investors bought a net 0.61 million rupees worth of government securities in the week ended Aug. 13. But the market has suffered year-to-date net foreign outflow of 28 billion rupees, central bank data showed.