Weekly Market Update: Big Tech Just Got Graded on Its AI Spending
Five of the Magnificent Seven reported earnings this week, and the results read like a report card the market has been waiting all year to hand out. The S&P 500 closed Friday at 7,489.72, up roughly 1% for the week and enough to cap a fourth straight winning month for the Dow. But that calm headline number hides a genuinely wild few days underneath it. Microsoft jumped, Meta got hammered, Amazon soared, Apple slid, and Alphabet spent the week clawing back a chunk of the 15% it lost the week before. Add a divided Fed and oil finally cooling off from $100 a barrel, and you’ve got a week that did more to clarify where markets stand on AI than the previous three months combined.
📰 What’s Happening
The theme of the week was simple, even if the stock moves weren’t: investors stopped accepting “we’re spending big on AI” as an answer on its own. They wanted to know whether that spending is actually being met by demand.
Microsoft delivered the clearest case. Azure capex hit $41 billion for the quarter, and management said flatly that “Azure demand is greater than supply.” The stock jumped 8.13% to $422.30, crossing its 200-day average for the first time since May. Amazon told a similar story. AWS grew 37%, its fastest pace since 2021, and total revenue hit a record $200.6 billion. The stock rose 8% to 10%, even though a chunk of the reported earnings came from a paper gain on Amazon’s Anthropic stake rather than actual operating profit.
Then there’s the other half of the ledger. Meta beat on revenue ($60.8 billion, up 28%) but missed earnings by 14% after eating $2.4 billion in legal costs and $1.2 billion in severance from 8,000 layoffs. Free cash flow collapsed from $8.5 billion to just $784 million, since capital spending swallowed almost every dollar coming in. The stock fell 9.64% to $529. Alphabet set the pattern a week earlier: strong headline numbers (cloud revenue up 82%) but a chunk of its EPS beat came from unrealized gains on its Anthropic and SpaceX stakes, not the underlying business. That stock dropped 15% over two days before recovering some ground to close near $335.
Apple landed in between. Revenue hit a June-quarter record of $109.4 billion, but Services and China both came in light, and a global memory chip shortage is about to push up Mac and iPad prices. Shares slipped 3% to 4%.
Away from earnings, two other things moved markets. The Federal Reserve held rates at 3.50%–3.75% on a 9-3 vote, and unusually, the three dissenters wanted to raise rates, not cut them, since inflation has now sat above the Fed’s 2% target for five straight years. And oil, which spiked above $100 a barrel earlier in July on fears of a blocked Strait of Hormuz, drifted back down to around $82 to $86 as shipping traffic through the strait picked back up.
🤔 Why It Matters
This week drew a line that’s going to matter for the rest of earnings season. It used to be enough for a tech giant to say “we’re investing in AI” and get a pass on the spending. Not anymore. The market now wants receipts. Microsoft and Amazon got rewarded because they could point to actual bottlenecks: not enough servers, not enough capacity, real customers waiting in line. Meta and Alphabet got punished because their capex increases looked less tied to a specific, provable payoff, and because some of their reported profits leaned on paper gains from startup stakes rather than the core ad or cloud business.
That’s a healthier dynamic than blind enthusiasm, but it also means bigger swings. A 15% two-day drop in a company as large as Alphabet, or a 9.64% single-day fall for Meta, isn’t normal behavior for mega-cap stocks. Expect more of that kind of volatility as each earnings season becomes a test of whether the spending is paying for itself.
Then there’s the Fed. Three officials pushing for a rate hike, in the middle of a year when tariffs and a Middle East-driven oil spike are both still working through the economy, tells you inflation risk hasn’t gone away just because it stopped making daily headlines. And the chip shortage that sent South Korea’s stock market to its best single day ever (KOSPI up 17.9%) is a reminder that underneath all the software talk, the physical hardware, memory chips especially, is still scarce and still in high demand.
🎯 The Opportunity
Stop treating “Big Tech” or “AI stocks” as one basket. This week showed five companies in the same sector moving in five different directions off the same underlying trend. The winners could show usage catching up to capacity, not just plans to build more of it. Before buying into any AI-adjacent name off a headline, check whether the spending is chasing a backlog of paying customers or just chasing a story.
There’s also a quieter play in the chip shortage itself. Samsung, SK Hynix, and Micron here in the US are benefiting from an actual supply crunch, not a narrative. That’s arguably a steadier way to get AI exposure than guessing which cloud company’s capex story the market believes next quarter.
For anyone who thinks the market overreacted: Alphabet and Meta are both still growing revenue at 24% to 28% a year. A sharp selloff on a still-growing business isn’t automatically a red flag. It might just be a reset of expectations, and how both stocks trade over the next few weeks should show which one it was.
📌 Bottom Line
Markets just recalibrated how they judge AI spending, rewarding companies that can prove demand and punishing the ones that can’t. The Fed stayed cautious and split, oil backed off its highs, and a chip shortage sent Korean stocks to their best day on record. None of that says the AI trade is over. It says the easy phase, where any capex number impressed investors, is done. From here, the companies that keep winning will be the ones that keep showing their work.
Disclaimer: This article constitutes the author’s personal views and is for entertainment and educational purposes only. It is not to be construed as financial advice in any form. Please do your own research and seek advice from a qualified financial advisor. From time to time, I have positions in all or some of the mentioned stocks when publishing this article. This is a disclosure - not a recommendation to buy or sell stocks.