Why Is Amazon (AMZN) Stock Price Up 15.32% Today, July 31? AWS Acceleration Eases AI Spending Fears

AI Market Summary
Amazon surged after Q2 results showed AWS net sales accelerating 37% (fastest in 18 quarters), easing concerns about AI infrastructure ROI and supporting higher capex plans framed as demand-led (reserved capacity into 2027-2028). Strong operating income growth reinforced confidence in cloud profitability. Near term, the market focus shifts to whether post-earnings repricing holds as investors monitor AWS growth, margins, and cash-flow pressure from elevated investment.
Impact level
● Medium
Affected assets
NCSKAMZN2USD/USDT+1.48%
AI Insight · NCSKAMZN2USD/USDTAI Insight
▲ Bullish
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Amazon (AMZN) rose 15.32% to $271.58 on July 31, 2026 after second-quarter results showed AWS sales accelerating 37% and helped ease concern over the return on AI infrastructure spending. Read the daily analysis of Amazon's cloud-demand outlook, momentum risk and key technical levels.