Sri Lanka, March 31 -- The Colombo Stock Exchange experienced a highly volatile session on 31st March 2026, with the market oscillating between gains and losses throughout the day. Early optimism was supported by positive global cues following updates from the U.S. President regarding developments in the ongoing geopolitical situation, which initially lifted investor sentiment and pushed the market into positive territory.

However, the momentum proved short-lived as SAMP.N's ex-dividend trading triggered significant selling pressure, weighing on the ASPI and reversing early gains. The market subsequently remained choppy for the rest of the session, with no clear directional trend emerging as investors balanced global optimism against loc...