Nasdaq record on Sept. 23 as AI stocks led

The Nasdaq closed at an all-time high Sept. 23, 2026, as artificial intelligence (AI) excitement built, Al Jazeera reported. It followed a 2% jump to a record, per Yahoo Finance, then another record close led by Micron Technology and other AI-linked stocks, per Reuters. For savers: gains are still bunched in a handful of AI names.