After the largest listed technology companies delivered quarterly results and updated their capital-expenditure plans, investors remain divided over who will be the AI winners. Roughly $2 trillion in market value was gained or lost across the six biggest tech names this week. Cloud strength separated the group. Microsoft, Amazon and Alphabet all advanced; Apple, Meta and Tesla slid.
This week's moves underscore how closely Big Tech valuations are tied to AI investment. The cloud vendors have data-center revenue to show for their spending, while Apple, Meta and Tesla face tougher questions about supply, costs and near-term returns.
Microsoft's market value rose by over $600 billion this week. Amazon and Alphabet each climbed by more than $400 billion, after the three hyperscalers reported strong cloud growth.
Amazon reported 37% year-over-year growth at its cloud business in the second quarter, its best performance since 2021. The stock closed Friday with a gain of more than 15%. Amazon also lifted its expected capital expenditures for the year to $220 billion, up from $200 billion. Forrester principal analyst Tracy Woo wrote in a note that AWS's strong growth "is a clear indicator that its infrastructure investments are meeting market demand rather than outpacing it." Even after Friday's gain, Amazon shares were up only about 4% year-to-date.
Get the market news that matters in a five-minute read with Market Briefs, our free daily newsletter
Meta's weekly valuation declined by roughly $85 billion after its earnings triggered an 8% Thursday selloff.
Apple took a bigger hit, with its market value down more than $350 billion. Apple's stock ended Friday's session down more than 7%.
The company beat analyst expectations on profit, revenue and iPhone sales, but it gave a cautious current-quarter outlook, citing "supply constraints." Apple guided for revenue growth of 9% to 11% in the current quarter, short of the 12% growth that analysts surveyed by LSEG had expected.
Memory chips are a crucial component inside Apple products, and with tight supply plus intense competition for manufacturing capacity, Apple has raised Mac and iPad prices. Analysts expect an iPhone price increase this year. Apple is still up 23% over the same stretch.
Tesla's market cap fell by roughly $7 billion after the company posted negative cash flow and projected higher spending.
Jefferies' co-head of global technology, media and telecom investment banking, Jason Greenberg, said Friday on CNBC's "Squawk on the Street": "AI spending among the megacaps is 'trending' toward almost $800 billion over the next 12 months. It's whether in the long term demand is going to be sufficiently profitable to warrant all of this investment. I think overall that's the real issue that we're struggling with right now."
These diverging fortunes show how much of tech valuation now rests on AI spending. The cloud giants can point to revenue from their data centers, while Apple, Meta and Tesla are left defending timelines, supply costs or profit outlooks. That contrast is likely to keep the sustainability of AI investment at the center of future earnings.
Cloud businesses gave Amazon, Microsoft and Alphabet a visible link between investment and revenue, while Apple, Meta and Tesla faced questions about supply constraints, AI spending visibility, or profitability. The market's reaction this week shows that investors are rewarding companies able to show near-term returns from their AI outlays.
Join Market Briefs, our free daily newsletter, for a quick daily rundown of the markets
