On August 3 Amazon.com Inc. crossed the $3 trillion market-capitalization threshold for the first time in its history, closing the session at $3.06 trillion after a 4.58% gain to $284.02 per share, with an intraday high of $287.20 and a 5.3% peak reached as early as 9:35 a.m.

This milestone places the company — founded by Jeff Bezos in 1994 — in the exclusive club of just five publicly traded firms that have ever reached that value: Nvidia Corp., which leads with nearly $5 trillion, Alphabet Inc., Microsoft Corp. and Apple Inc. The climb was lightning-fast: it took just over two years to go from the $2 trillion touched in June 2024 to today’s $3 trillion, a sharp acceleration compared with the more than six years needed to rise from the first trillion, reached at the end of 2018.

The quarterly results that lit the fuse

The decisive push came from second-quarter results for the period ended June 30, 2026, released on July 30, which triggered a jump of more than 15.32% in a single day the previous Friday — the strongest since April 2012, more than 14 years earlier — adding close to $400 billion in market value. Group total revenue rose 20% to $200.6 billion from $167.7 billion a year earlier, topping the $200 billion mark for the first time and beating analyst estimates of $196.47 billion. Operating income leapt 43% to $27.5 billion from $19.2 billion, while adjusted earnings per share came in at $1.97 against expectations of $1.82.

The real star was Amazon Web Services (AWS), the cloud division: revenue grew 36.7-37% to $42.2 billion, the fastest pace in 18 quarters and the strongest in more than four years, beating forecasts of $40.54 billion and pushing the annualized run rate to roughly $169 billion — a figure that, if AWS were a standalone company, would place it 24th in the Fortune 500. AWS operating income rose 64% to $16.6 billion, with an operating margin of 39.4% versus 32.9% a year earlier, and the customer contract backlog reached $496 billion.

President and CEO Andy Jassy stressed that the businesses tied to artificial intelligence and custom chips (Trainium and Graviton) have each surpassed an annualized run rate of more than $25 billion, both growing at triple-digit rates. Matt Garman, who runs AWS, called the AI business’s potential «simply massive». Even so, the company raised its 2026 capital-expenditure guidance to about $220 billion from the $200 billion previously projected, a 10% increase driven mainly by the higher cost of the memory needed for AI expansion.

Jassy warned that even at this level «we will not have enough capacity to meet all of the demand in 2026», and that the same dynamic will repeat in 2027, while demand already booked for 2028 is «impressive». Data centers require capital two years before they generate revenue but then throw off cash flows for more than 30 years, while servers and networking break even in less than three years. In the twelve months ended June 2026, free cash flow was negative by $7.6 billion (versus positive $18.2 billion the year before) because of a $66.1 billion increase in purchases of property and equipment earmarked for AI, even as operating cash flow rose 33% to $161.4 billion.

Will the AI investments pay off?

The market read these numbers as proof that the massive investments in AI infrastructure are finally translating into tangible revenue and expanding margins, rather than remaining a cost with no return. Until just a few weeks earlier, Amazon shares had been hit by a correction of nearly 18% from their May 6 high, driven by investor fears that the hyperscalers were spending too much on AI without generating adequate cash flow.

The stock had fallen to its lowest valuation multiple in 17 years at the end of March, but since the start of 2026 it has still gained more than 23%, making it the best performer among the Magnificent Seven, while the basket of big tech peers advanced just 2.1% against the S&P 500’s 10%. At about 25 times expected earnings for the next twelve months, Amazon still trades roughly 44% below its historical average of the past decade, and the average analyst price target implies further upside of about 14%.

AWS’s growth is fueled by demand for training and deploying generative AI models, as well as by strategic partnerships on cloud infrastructure and chip supply with OpenAI, Anthropic and Meta, among others. The advertising division posted a 26% gain to $19.8 billion, North America was up 16% to $116.2 billion and the international segment rose 15% to $42.2 billion.

This success has created a clear divide within the Magnificent Seven: while Amazon and Microsoft have been rewarded for demonstrating returns on their AI investments (Microsoft even forecast that it will stay cash-generative through 2027), other companies such as Tesla, Alphabet and Meta have come under pressure for negative cash flow or free-cash-flow declines of up to 91% because of heavy capex without comparable evidence of immediate monetization.

The $3 trillion milestone is not just a symbolic number: it represents the market’s validation of a business model that combines global-scale e-commerce with a cloud-AI profit engine in full acceleration. Jassy even suggested that AWS could one day become a business with $1 trillion in annual revenue. At the same time, the risks remain evident: if demand for AI capacity slows, the more than $220 billion in capex and the data centers already under construction risk becoming a burden rather than a lever. For now, though, the market has chosen to bet that Amazon is building the infrastructure of the generative-AI era — and that a $3.06 trillion valuation is only the first step in an even broader re-rating.

Editor’s note

This article was originally published in Italian on money.it by the Money.it Premium desk on August 04, 2026 as «Amazon vola a 3.000 miliardi e nessuno l’aveva previsto. Ecco perché è solo l’inizio del rally». It has been translated and adapted for an international audience by the Money.it International desk.