S&P 500, Nasdaq advance, turning the page on a tumultuous week | The Straits Times

- Wall Street ended a volatile week with the S&P 500 little changed and the Nasdaq rising, as yields stayed above 5% and oil remained over $100 a barrel, fueling ongoing inflation concerns. - Markets priced in a roughly 55% chance of another Fed rate hike in October, while global central banks continued tightening, and a semiconductor rally helped the Nasdaq while the Dow posted a weekly decline.

S&P 500, Nasdaq advance, turning the page on a tumultuous week | The Straits Times # S&P 500, Nasdaq advance, turning the page on a tumultuous week A screen displays stock market information after the opening bell at the New York Stock Exchange in New York City, on Sept 15. PHOTO: REUTERS Published Sep 19, 2026, 05:16 AM Updated Sep 19, 2026, 05:17 AM NEW YORK - Wall Street closed a volatile week on a muted note on Sept 18 as benchmark US Treasury yields topped 5 per cent, while crude prices reversed earlier gains but remained above US$100 (S$127) per barrel, keeping inflation worries front and centre. The session capped a week that was essentially split in two: first, restless anticipation in the days before the US Federal Reserve’s widely expected interest rate hike, followed by the aftermath of that decision. A semiconductor rally boosted the Nasdaq and the S&P 500, but broader weakness pulled the Dow to a lower close. The S&P 500 ended the session with a nominal weekly loss, while the tech-laden Nasdaq closed higher than Sept 11’s finish. The blue-chip Dow suffered its biggest weekly percentage decline since March. “It’s almost as if everybody got to the end of the week and got exhausted from all the activity this week and decided to just play it close to the vest here,” said Chuck Carlson, chief executive officer of Horizon Investment Services in Hammond, Indiana. “A lot of investors are trying to figure out not just the short-term implications, but longer-term implications of what the Fed may be embarking on and how that’s going to impact equities and fixe…

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