This earnings season, investors are looking beyond headline revenue and profit figures. The key question is whether massive AI spending is finally beginning to translate into tangible business results. This expectation has shaped not only the reaction to corporate earnings reports, particularly those of the tech giants, but also sentiment across the broader market.
Among the biggest beneficiaries of this season so far has been Amazon, whose shares rose by approximately 27% over three trading days following the release of its quarterly report. The increase pushed the company’s market capitalization up to $3.06 trillion, making it the fifth corporation to cross that mark, following Apple, Microsoft, Nvidia, and Alphabet.
Although revenue and EPS coming in above analysts’ estimates contributed to the rise, the main growth driver was Amazon Web Services (AWS). The division’s sales increased by 37% year over year, beating expectations and marking the fastest expansion in 18 quarters. The strong performance also reinforces the view that companies continue to invest heavily in AI infrastructure, as AWS allows businesses to rent computing power and AI capacity rather than build their own data centers.
AWS's success reassured investors that Amazon is capable of monetizing its rapidly expanding AI infrastructure. This helps justify the growing capital expenditures - which are projected to reach $220 billion this year - and eases concerns over massive AI-related spending.
Nvidia, Meta, Alphabet, and Microsoft also surged higher, with Microsoft showing a gain similar to Amazon’s, rising approximately 25% over three trading sessions and climbing close to an eight-month high. This came as the tech giant demonstrated to investors that its AI investments are generating returns. The sharp rally added roughly $750 billion to the company’s market capitalization.
Monetization Milestones Across Big Tech
Beyond Amazon and Microsoft, the broader technology sector is facing intense scrutiny over return on capital. Investors are no longer satisfying themselves with strategic announcements or prospective product roadmaps; they are looking for hard evidence of high-margin software revenue driven by generative AI integration. Companies that successfully bridge the gap between capital deployment and immediate operational gains are continuing to capture market share, while those struggling to demonstrate clear customer adoption face growing pressure from institutional shareholders.
By contrast, Apple, which recently and briefly reclaimed the title of the world's most valuable public company by market capitalization from Nvidia, saw its shares decline over four trading sessions after issuing a quarterly outlook that was less optimistic than the market had expected.
This earnings momentum is also reflected in the performance of major indices. The S&P 500 closed at 7,600, hovering just nine points below its record closing high. The Dow Jones index climbed to a new record of 53,183, while the Nasdaq Composite advanced to 25,913.
Macroeconomic Factors and Broader Market Dynamics
While corporate fundamentals remain the primary driver, macro developments are providing an additional tailwind for equity valuation. Lower energy price volatility-partially sustained by recent geopolitical shifts-alongside stable interest rate expectations, has created a favorable liquidity environment for high-growth assets. As market breadth expands beyond mega-cap tech into mid-cap and industrial sectors, fund managers are repositioning portfolios to capture potential upside across multiple asset classes heading into the next quarter.
Another factor supporting the rally was Donald Trump's decision to return to diplomatic negotiations with Iran over the ongoing Middle East crisis. Military strikes were paused to pave the way for negotiations over the status of the Strait of Hormuz and Iran's nuclear program.
Among the most anticipated upcoming releases are SpaceX’s quarterly report - which will be the company's first earnings publication since its record-breaking IPO - and Advanced Micro Devices' earnings report.
This article was written in cooperation with TradingView