Wall Street Has Stopped Applauding AI Spending — What It Means for Your Portfolio

July 2026

By Will Glyn

For the best part of three years, the stock market has run on one simple rule: whatever the tech giants spend on artificial intelligence, applaud it. Bigger data centres, bigger chip orders, spending plans with ever more zeros — every increase was read as ambition, and share prices rose to meet it.

Last week, the doubts that had been building all summer finally drowned out the applause. Alphabet — Google’s parent — reported quarterly results that beat almost every forecast: revenue up 24%, operating profit up 30%, cloud revenue up 82%. The shares fell more than 7% anyway, their worst day in over a year. The sin wasn’t weak results. It was the announcement that this year’s AI infrastructure budget would rise again, to as much as $205 billion — and that, for the first time since the company floated in 2004, Alphabet burned more cash in a quarter than it brought in.

If you hold a global index fund — and most of the investors I work with do — this isn’t a story about one company in California. It’s a story about more than a fifth of your portfolio. Here’s what happened, why the mood has turned, and what I’d actually do about it.

The week the deal broke down

The numbers deserve a moment, because they show how odd this moment is. By any historical standard, Alphabet’s quarter was exceptional: $119.8 billion of revenue, a cloud business growing at 82% a year, and a backlog of signed cloud contracts worth $514 billion. Ten years ago, results like that would have been celebrated for weeks.

Instead, investors fixated on two different numbers. Capital expenditure — the money pouring into data centres, chips and power — reached $44.9 billion in a single quarter, roughly double the same period last year. And free cash flow, the measure Alphabet’s shareholders have feasted on for two decades, came in at minus $5.9 billion. According to Bloomberg, that’s the company’s first negative quarter since the 2004 flotation.

Alphabet wasn’t the only culprit that evening — Tesla reported a profit miss and negative cash flow of its own, and fell 14% the next day. But the reaction spread far beyond two share registers. An index tracking the so-called Magnificent Seven fell 4.8% on Thursday — its worst day since the tariff panic of April 2025 — and finished the week down around 4%. The S&P 500 as a whole slipped just 0.6%. That gap tells you everything: the market didn’t sell shares in general. It sold the AI trade, specifically.

Why investors have changed their minds

For three years the arrangement between big tech and its shareholders was straightforward: spend whatever you like on AI, as long as revenues keep climbing. Revenues are still climbing. What’s changed is the other side of the ledger.

The sums have simply stopped being abstract. Alphabet’s new spending range of $195–205 billion for this year is bigger than the annual economic output of most countries. Analyst forecasts for Microsoft’s next financial year now run from around $230 billion to north of $260 billion. Cheques of that size can no longer be written entirely out of spare cash — parts of the industry are now borrowing to build — and debt-funded infrastructure carries a very different risk profile from the cash-machine model these companies were priced on.

Underneath it all sits one brutally simple question: where is the return? The market has moved from “trust us” to “show us” — and a company that used to mint free cash flow reporting a negative quarter is exactly the kind of evidence that hardens the question.

Four sets of results in two days

Which brings us to this week — and it’s quite a week. Microsoft and Meta report on Wednesday evening, Apple and Amazon on Thursday, with a Federal Reserve rate decision on Wednesday afternoon for good measure.

Watch the same two things in each report. First, the capital expenditure guidance — whether the numbers keep ratcheting upwards. Second, the evidence of money coming back: Microsoft will be pressed on how many businesses are actually paying for its AI tools, Meta on whether AI is genuinely making its advertising machine more efficient. Strong answers, and the applause may well resume. Weak ones, and last week starts to look less like a wobble and more like a repricing.

Either way, by Friday evening we’ll know a great deal more about the market’s mood than we did going in.

You own this story, whether you chose it or not

Here’s the part that matters for readers who would never dream of trading individual US technology shares. The so-called Magnificent Seven — Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia and Tesla — account for around 31% of the S&P 500, and the US makes up over 70% of a typical global developed-markets tracker (nearer 65% if your fund also holds emerging markets). Do the arithmetic, and more than a fifth of a “diversified” global index fund now sits in seven companies whose share prices move together on AI sentiment. That is the risk a lot of people are running without ever having chosen it.

I wrote about this concentration back in May. The difference is that in May it was a risk on paper. Last week you could watch it move: Magnificent Seven down about 4% on the week, the wider index barely scratched. That is what concentration looks like when it stops being theoretical.

For international investors there’s an extra wrinkle. Many of the people I work with hold exactly these global trackers, often inside platforms and wrappers chosen years ago in a different country. The holdings, the currency exposure and the structure all deserve a look at the same time — because if the next decade’s returns are less concentrated than the last one’s, the portfolio that carried you here may not be the one that carries you forward.

What I’d do — and what I wouldn’t

The first thing I’d avoid is the dramatic gesture. I’ve written before about what panic selling costs investors, and nothing about last week changes it: selling into a bad week because of a scary headline is how long-term investors turn volatility into permanent loss.

But “don’t panic” is not the same as “do nothing”. This is a sensible moment to:

• Find out what you actually own — most people are surprised by how much of their “global” portfolio sits in a handful of AI-linked names once you look under the bonnet.
• Rebalance the winnings — if three years of AI gains have swollen your US technology exposure well past its intended weight, trimming back to target is discipline, not market timing.
• Diversify on purpose — other regions, other sectors, smaller companies and bonds are all priced less demandingly than the most expensive corners of the AI complex; spreading out isn’t a sacrifice when the alternative is a concentrated bet you never meant to make. I’m also a big fan of absolute return funds here — they can go short as well as long, so they aren’t hostage to the market’s direction — though they need picking carefully, as plenty don’t earn their fees.
• Mind the cash-flow distinction — businesses that generate cash and businesses that consume it behave very differently in rough weather; it’s worth knowing which kind dominates your portfolio.
• Check your timeline — if you’re within a few years of drawing on your investments, concentration risk matters far more than it does for someone twenty years out.

How We Can Help

At Proctor Wealth Associates we spend a lot of our time helping people find out what their portfolios are actually doing — and making sure the answer matches the plan. We can help you:

• X-ray your portfolio — a clear picture of your true exposure to the AI names, the US market and the dollar, across every account and platform.
• Check the risk you’re actually taking — many people who hold nothing but a global stock tracker are running far more risk than they realise: over 70% of a “global” developed-markets tracker sits in the US, and around 30% of that in a handful of technology names.
• Rebalance with discipline — taking gains and resetting weights systematically, rather than reacting to headlines.
• Diversify properly — building in the regions, sectors and asset classes a concentrated index quietly leaves out.
• Get the structure right — making sure how you hold your investments still fits the country you live in now.
• Keep it reviewed — so the next violent week in markets is something you read about, not something you lose sleep over.

If you’d like a second pair of eyes on what you’re actually holding, you can book a call with me and we’ll go through it together.

Will is an Independent Financial Adviser with over a decade of experience helping expats make the most of their international status.