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# Madison and Wall: Q3 ad growth decelerates, AI spending still a risk factor
- URL: https://www.medianexis.com/madison-and-wall-q3-ad-growth-decelerates-ai-spending-still-a-risk-factor/
- Published: 2026-11-02T15:20:11.000Z
- Updated: 2026-11-02T15:20:11.000Z
- Description: Madison and Wall reports that Q3 2026 earnings from Google, Amazon, Microsoft, Pinterest and Reddit show decelerating ad revenue growth, even as AI capex climbs and unsettles investors.
- Author: The Signals Desk
- Tags: Measurement, Madison and Wall Saturday weekly roundup

**Why it matters.** Advertisers and media owners planning 2027 budgets must weigh an AI-spending slowdown that would ripple through corporate and consumer confidence.

*Signal from* [*Madison and Wall*](https://madisonandwall.substack.com/) *·* [*read the original*](https://madisonandwall.substack.com/p/m-and-w-saturday-summary-amazon-and)*.*