CNBC Daily Open: A murky past and uncertain future trouble traders
1. U.S. markets had their worst day since October 10, 2025. 2. S&P 500 declined 1.66%, reflecting growing investor concerns. 3. High tech valuations and capital expenditures raise alarm for investors. 4. Interest rate cut uncertainty is causing market volatility. 5. CEO of DBS Group highlights positive AI adoption impacts on revenue.