The Colombo Stock Exchange (CSE) recorded modest declines across broad market indices today, September 21, 2026, following cautious positioning by institutional and retail investors at the start of the trading week.

The benchmark All Share Price Index (ASPI) shed 77.08 points to settle at 20,979.18, while the blue-chip S&P SL20 Index declined 19.44 points to close at 5,909.45. Market turnover reached approximately Rs. 750 million, led by selective trades in banking, diversified financials, and manufacturing equities as market participants awaited upcoming corporate quarterly earnings disclosures.