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Amazon (AMZN) is surging after a much stronger-than-expected Q2 report last night. Revenue increased 20% yr/yr to $200.6 bln, nicely above expectations, while operating income rose 43% to $27.5 bln. Although Q3 revenue guidance of $197-$202 bln fell below expectations, the range partly reflects the shift of Prime Day into Q2. Investors appear more focused on the sharp acceleration in AWS and growing evidence that AMZN's AI infrastructure spending is supported by strong demand, expanding margins, and an attractive longer-term ROIC equation.

• AWS: Revenue surged 36.7% yr/yr to $42.2 bln, accelerating for the fifth consecutive quarter and marking its fastest growth in 18 quarters. Backlog reached $496 bln and grew at a triple-digit rate. AWS is now a $169 bln annualized revenue run-rate business, while its AI and chips businesses each surpassed $25 bln run rates and are growing at triple-digit rates.
• Profitability: Operating income increased 43% to $27.5 bln, including roughly $600 mln each from tariff refunds and an energy-contract fair-value benefit, but still nicely above prior guidance of $20-$24 bln. AWS operating income surged 64% to $16.6 bln, with margin expanding to 39.4% from 32.9%.
• CapEx and demand: Q2 cash CapEx was $53.1 bln, primarily supporting AWS and generative AI, while the 2026 forecast increased to approximately $220 bln from $200 bln, largely due to higher memory costs. Capacity is still expected to fall short of demand in 2026 and 2027, with existing demand for 2028 described as striking.
• ROIC: AMZN notes its data-center facilities have useful lives exceeding 30 years and can be monetized across at least five to six server generations. Server and networking investments generally break even in less than three years and last at least five to six years, leaving another two to three years of significant free cash flow generation, with most AI capacity contracted for at least five years. TTM free cash flow nevertheless swung to a $7.6 bln outflow, reflecting the upfront investment required before new data-center capacity begins generating revenue.
• Stores and advertising: North America revenue increased 16% to $116.2 bln, while International revenue grew 15% to $42.2 bln excluding FX. Worldwide paid units increased 17%, Prime membership grew at a double-digit rate, and advertising revenue rose 26% to $19.8 bln, led by continued strength in Sponsored Products.

Briefing.com Analyst Insight

This was a strong Q2 from AMZN and echoes the robust cloud and AI infrastructure demand reported by peer MSFT. More specifically, AWS's sharp acceleration and management's detailed explanation of the ROIC equation strengthen the case that its massive AI infrastructure buildout is being matched by durable demand and attractive economics. AWS operating income surged and margins expanded, while the $496 bln backlog and demand extending into 2028 provide strong visibility as new capacity comes online. The higher CapEx outlook and negative TTM free cash flow will continue to draw scrutiny, but the long useful lives of its data centers, multiyear capacity commitments, and less-than-three-year breakeven period for servers support confidence that the spending can generate strong returns over time. Strength also extended beyond AWS, with healthy paid-unit and Prime membership growth alongside another strong quarter for advertising. Overall, accelerating AWS growth, improving profitability, and greater clarity around the returns on its AI investment help explain today's outsized move despite near-term free-cash-flow pressure.