AI Agent UpdateWall Street closed lower to end a rocky week — now three earnings reports decide the AI-spending debate
Friday closed lower after a turbulent week, and now the whole AI-spending debate comes down to three earnings reports in two days.
The News
Wall Street closed lower on Friday, October 23, ending a turbulent week for the AI trade. The Dow fell 652.82 points, or 1.23%, to 52,215.16. The S&P 500 fell 39.75 points, or 0.52%, to 7,623.68. The Nasdaq fell 53.52 points, or 0.21%, to 25,955.34. The declines came even as technology shares steadied, a day after the Nasdaq suffered its biggest one-day drop since June on worries about AI financing costs. For the week, the S&P 500 fell 0.5% and the Nasdaq 0.7%, while the Dow rose 0.4% — a split tape that tells you the week's story was about tech financing, not the whole economy.
Reuters specifically flagged what comes next: about one-third of S&P 500 companies report soon, including hyperscalers Alphabet, Microsoft and Amazon, whose capital-expenditure forecasts will be closely watched. The calendar is unusually concentrated. Microsoft, reporting fiscal first-quarter 2027, and Alphabet, reporting third-quarter 2026, both report after the close on Wednesday, October 28 — hours after that day's Federal Reserve rate decision. Amazon, reporting third-quarter 2026, follows after the close on Thursday, October 29. Three reports in two days will reset expectations for cloud growth, AI monetization and, above all, how much these companies plan to keep spending on data centers.
The setup is a direct sequel to the week's drama. Thursday's rout was driven by the question of who pays for the AI buildout; the coming reports are where the biggest payers answer. Preview estimates circulating for the three companies are just that — previews, not results — and this briefing does not treat them as verified numbers. What is verified is the stakes: after a week in which chip stocks fell on financing worries and then steadied, the hyperscalers' own spending plans are the next hard data. If capex forecasts hold or rise, the week's selloff reads as a scare. If they soften, it reads as a warning.
Thursday asked who pays for the AI buildout. Next week, the biggest payers answer.
Why It Matters
Hyperscalers matter because they are the AI buildout's checkbook. Microsoft, Alphabet, Amazon and Meta buy the chips, rent the data centers and fund the infrastructure that the rest of the AI industry runs on. When their spending plans change, the effects ripple outward: chipmakers' order books, data-center landlords' occupancy, utilities' power demand. That is why Reuters singled out their capex forecasts as the thing to watch — in this market, a capex forecast is a demand forecast for an entire supply chain.
The week's tape shows why the distinction between 'tech' and 'the market' matters. Semiconductors steadied on Friday while the broad indexes fell, which means the financing worry did not spread evenly. Investors were not selling everything; they were repricing the specific question of whether AI spending generates returns fast enough to justify its cost. That question cannot be answered by index levels. It can only be answered by the companies doing the spending, in their own earnings reports, with their own numbers.
The Fed timing adds a second layer. Interest rates set the cost of the borrowing that funds much of this buildout, so a rate decision landing hours before Microsoft's and Alphabet's reports means the market will digest the price of money and the plans for spending it in the same session. It is a fitting setup for a week defined by financing questions — and a reminder that the AI trade is now, in part, a rates trade.
Analyst's Take
The verdict is Mixed, because the week itself was mixed. The bull case: the Nasdaq's Friday decline was small, semiconductors steadied, and the Dow actually rose for the week — this was not a broad market rejection of AI, it was a repricing of how AI gets financed. The bear case: the S&P 500 and Nasdaq both fell for the week, Friday closed lower despite tech steadying, and the financing question that drove Thursday's rout has not been answered — it has merely been postponed to next week's earnings. A market waiting for an answer is a market that can still move hard in either direction.
That is why the October 28–29 cluster matters more than any single day's close. Hyperscaler capex forecasts are the closest thing the AI trade has to a budget vote: they tell suppliers how many chips to build, landlords how many data centers to plan, and investors whether the spending that justifies today's valuations continues. For readers holding Microsoft, Alphabet, Amazon or Meta, the advice is simple: do not over-read Friday's tape. The week's real verdict arrives Wednesday and Thursday, after the close. Readers' poll: do the hyperscalers raise, hold, or trim their AI spending plans?
By The Numbers
FAQ
What is capex, and why does everyone keep talking about it?
Capex is short for capital expenditure — the money a company spends on long-lasting things like buildings and equipment. For the hyperscalers, capex mostly means data centers and chips. When Microsoft, Alphabet and Amazon report, investors watch their capex forecasts because those forecasts are, in effect, the AI buildout's budget. If capex keeps rising, the buildout continues; if it stalls, the whole AI hardware chain feels it.
Why did stocks fall on Friday if tech steadied?
Because different parts of the market told different stories. Semiconductors steadied — the PHLX chip index rose 0.44% — but the broader indexes fell as investors weighed the week's AI financing worries against everything else. A market can have a calm tech corner and a nervous everything-else on the same day.
What is the Fed decision doing in this story?
Microsoft and Alphabet report on Wednesday, October 28, hours after that day's Federal Reserve interest-rate decision. Rates set the cost of borrowing, and the AI buildout is being funded with enormous borrowing. A rate decision and two mega-cap earnings reports on the same day is a lot of news for one session.
Source: Reuters market reporting