U.S. Pre-Market Briefing on Sept. 15: Semis Slide 4% as Tenable (TENB) Surges 16.51%; Trip.com Reports Tonight — Why Was 17% Growth Guided Down to 3%?
The last session was Monday, September 14. All three indices closed lower, with the S&P 500 down 0.48% at 7,620.25, the Nasdaq Composite down 0.56% and the Dow Jones Industrial down 0.29%. Rates did most of the work: the 10-year Treasury yield reached about 5.0%, its highest since October 2023. The gap between sectors was far wider than the index move. A public dispute over the pace of AI development set off a selloff in chip names, the semiconductor ETF fell more than 4% in a single day, and mo