The S&P 500 had a mixed day on Wall Street, boosted by Amazon.com and other AI stocks. The benchmark rose 0.2%, while the Nasdaq Composite gained 0.5%. The Dow Jones Industrial Average fell by 0.5%.

The 2-year Treasury note yield dropped to below 3.6%, while the 10-year yield rose to 4.1%. Amazon signed a $38 billion deal to provide cloud infrastructure for OpenAI, leading to a surge in its shares. Nvidia and Palantir Technologies were also among the day’s big winners.

Read more at Barron’s: S&P 500, Nasdaq End Higher, Fueled by AI Stocks, On Otherwise Downbeat Day