The S&P 500 rose 1%, the Nasdaq 0.9% and the Dow 790 points on Thursday, sealing the S&P 500 and Nasdaq's best month since 2020.
The rally came despite sharp falls in Meta, Microsoft and Nvidia after earnings, as chip stocks and most major S&P 500 sectors advanced with strong market breadth.
Strategists said month-end positioning helped lift stocks, with no clear single catalyst, after earlier gains were supported by strong results from companies including Alphabet and Caterpillar.
With AI stocks at record highs, are we ignoring clear historical warnings of an impending market downturn?
Big Tech is betting billions on AI, but can the nation's power grid actually support this massive digital expansion?
As AI drives both markets and inflation, is the Federal Reserve’s traditional 2% inflation target becoming obsolete?