Nasdaq Hits Record High as Tech Leads; S&P 500 Nears All-Time Peak

U.S. stocks opened higher on Tuesday, September 22, 2026, with the Nasdaq Composite hitting an intraday record for the first time since early June and the S&P 500 climbing toward its prior high. As of 9:00 a.m. ET, the Dow rose 0.11% to 52,103.64, the Nasdaq gained 0.43% to 27,238.24, and the S&P 500 added 0.16% to 7,776.99. The Philadelphia Semiconductor Index slipped 0.01%, and TSMC ADR edged up 0.02% to $445.29. Diplomatic hopes for ending the six-month U.S.-Iran conflict pushed Brent crude down 1.30% to $99.04 a barrel, easing inflation concerns. Iran proposed reopening the Strait of Hormuz within seven days if the U.S. lifts its blockade. The 10-year Treasury yield fell to 4.94%, while the dollar held steady. Alibaba (BABA) rose 3.07% to $119.30 after announcing plans for over 20GW of global data center capacity by 2032. On Holding (ONON) jumped 8.75% to $29.71 on new midterm targets, and GameStop (GME) gained 4.61% to $23.81.