July 31 (Reuters) - The Nasdaq opened higher on Friday,

boosted by Amazon's ( AMZN ) 12% jump after the Big Tech company

joined some of its peers in delivering strong cloud revenue

growth, putting to rest concerns about AI returns.

The Dow Jones Industrial Average rose 27.0 points, or

0.05%, at the open to 52,235.03. The S&P 500 rose 24.5

points, or 0.33%, at the open to 7,462.13​, while the Nasdaq

Composite rose 218.5 points, or 0.87%, to 25,340.711 at

the opening bell.