The Colombo bourse ended in the red, with widespread price declines across the board, including among blue-chip stocks, as investor concern and uncertainty grew over potential U.S. tariff decisions on Sri Lanka. The ASPI fell by 10.08 points (-0.06%) to close at 18,032.12, while the S&P SL20 dropped 18.24 points (-0.34%) to close at 5,321.75.