Amazon Web Services cloud revenue surged significantly, surpassing market forecasts. This strong performance was fueled by increased enterprise artificial intelligence spending. Rivals Microsoft and Alphabet's Google also reported solid cloud revenue growth. Amazon's e-commerce business saw increased activity during its Prime Day event. The company's investments in AI infrastructure are now showing clear returns.

Cloud sales boom as company ramps up data center buildout

Amazon delivered strong profits and net sales during its fiscal second quarter, helped by surging growth in its prominent cloud computing unit.