Colombo's equity market pulled back on Tuesday, ending a four-day advance as weakness in communication services and healthcare stocks outweighed gains elsewhere. The CSE All Share index slipped 0.07% to close at 21,402.80, according to exchange data. Main Developments Trading activity contracted sharply, with volume dropping to 47.1 million shares from 123.9 million in the previous session. Turnover also fell to 1.52 billion Sri Lankan rupees ($4.54 million), down from 3.81 billion rupees. SMB Finance and Cargo Boat Development Co led decliners, falling 10% and 6.32%, respectively. The losses in communication and healthcare sectors were the primary drag on the benchmark index. Read also: Why UK blue-chips are stumbling despite strong earnings Background The dip follows a four-session winning streak, suggesting a pause in recent momentum. Foreign investors turned net sellers, offloading shares worth 412.5 million rupees, while domestic investors absorbed the selling, purchasing 1.47 billion rupees worth of equities. Why It Matters The divergence between foreign and domestic activity highlights shifting sentiment in Sri Lanka's market, with local buyers stepping in as overseas players retreat. The sharp drop in turnover also indicates reduced participation, which could affect liquidity in the near term. What's Next Investors will watch whether the selling pressure in communication and healthcare stocks persists or reverses in coming sessions. Market participants may also monitor foreign flows and broader economic cues for direction.