Key Takeaways
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Heavy AI capex hit free cash flows at Alphabet and Meta, while Microsoft and Amazon faced mounting concerns over compressed margins, search cannibalization, and agentic commerce disruption
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With Apple reporting on an unusual Monday schedule, nine S&P 500 firms confirmed delayed reporting dates, a historical indicator of potential bad news ahead
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This marks the second week of Q3 earnings season, with 2,465 companies expected to report and overall S&P 500 EPS growth holding at a robust 29.5%
Last week, the AI trade began to crack further with Alphabet’s release, missing on both the top and bottom lines. Mirroring Meta’s print from the prior week, massive AI capex turned free cash flow negative, alarming investors. Even with Google Cloud accelerating 103%, softening core search growth fueled fears of AI cannibalization, sending the stock tumbling toward one of its steepest post-earnings drops.1
Microsoft’s report reinforced the market's growing skepticism over ROI. Despite Azure expanding near 40% and enterprise Copilot adoption scaling, surging infrastructure spend squeezed operating leverage. Even with impressive cloud growth, Wall Street is no longer giving these providers an open checkbook, focusing instead on compressing capital efficiency.2
Amazon results on Thursday showed how the company faces a distinct strategic challenge as AI agents begin to rewire e-commerce discovery. With platforms like Meta Muse increasingly handling product recommendations and direct checkout, the traditional Amazon search bar risks disintermediation. Slower sequential growth in high-margin retail advertising underscored this emerging threat to sponsored-product auction revenues.3
See more: Is Now the Moment for Value ETFs? The Case for VALQ
Outside of Big Tech, Caterpillar delivered a major beat driven by the very picks-and-shovels powering data center expansion. A 96% surge in backlog and an 18% jump in its Power & Energy segment highlighted relentless demand for industrial backup generators and turbines. Yet even CAT retreated post-print, hit by capacity constraints and broader profit-taking across premium multiples.4
Monday after-the-bell, all eyes will be on Apple results, out with a rare Monday afternoon report following six years of reporting fiscal Q4 on a Thursday.
Now with 60% of S&P 500 companies reporting, the blended EPS growth rate moved higher to 30.2% last week, from 29.5% the week prior. Revenue growth also saw a bump to 13.1% from 12.7% in the week prior.5
Source: Wall Street Horizon
Outlier Earnings Dates This Week
Academic research shows that when a company confirms a quarterly earnings date that is later than when they have historically reported, it’s typically a sign that the company will share bad news on their upcoming call, while moving a release date earlier suggests the opposite.6
This week we get results from a number of large companies on major indexes that have pushed their Q3 2026 earnings dates outside of their historical norms. Nine companies within the S&P 500 confirmed outlier earnings dates for this week, all of which are later than expected and therefore have negative DateBreaks Factors*. Those companies are: UDR Inc. (UDR), Ametek (AME), Fiserv (FISV), Vivmark Residential (VMRK), Edwards Lifesciences Corp (EW), Global Payments (GPN), DTE Energy (DTE), Kimberly-Clark (KMB) and Charter Communications (CHTR).
* Wall Street Horizon DateBreaks Factor: statistical measurement of how an earnings date (confirmed or revised) compares to the reporting company's 5-year trend for the same quarter. Negative means the earnings date is confirmed to be later than historical average while Positive is earlier.
Q3 2026 Earnings Wave
The peak weeks of the Q3 earnings season are expected to fall between October 26 - November 13, with each week expected to see over 1,800 reports. Currently, November 5 is predicted to be the most active day with 1,155 companies anticipated to report. Thus far, 80% of companies have confirmed their earnings date, and 30% have reported (out of our universe of 11,000+ global names). The remaining dates are estimated based on historical reporting data.
The Bottom Line
The takeaway from early earnings is clear, the era of rewarding indiscriminate AI capital expenditure may officially be over. Markets have transitioned from celebrating massive compute buildouts to demanding cash-flow returns, leaving mega-caps vulnerable until AI software monetization catches up to capex. As we head into the second peak week of the season attention will focus on a broader swath of sectors. We’ll see if those results are more palatable to investors.
1 Alphabet Third Quarter 2026 Earnings Results, October 28, 2026, https://s206.q4cdn.com
2 Microsoft Fiscal Q1 2027 Earnings Results, October 30, 2026, https://www.microsoft.com
3 Amazon Third Quarter 2026 Earnings Results, October 29, 2026, https://ir.aboutamazon.com
4 Caterpillar Third Quarter 2026 Earnings Results, October 29, 2026, https://www.caterpillar.com
5 FactSet Earnings Insight, John Butters, October 30, 2026, https://advantage.factset.com
6 Time Will Tell: Information in the Timing of Scheduled Earnings News, Journal of Financial and Quantitative Analysis, Eric C. So, Travis L. Johnson, Dec, 2018, https://papers.ssrn.com
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