Deal fever took a coffee break
Global merger-and-acquisition activity cooled in the third quarter, and the mood sounds a little like everyone showed up to the party but forgot to bring the champagne. According to Mergermarket data, fragile AI sentiment and higher borrowing costs took some of the heat out of dealmaking.
That matters because M&A is one of those barometers investors watch when they want the real temperature of corporate confidence. When CEOs get twitchy about rates, valuations, or whether the AI gravy train is still on schedule, they tend to wait. That’s exactly the kind of hesitation that can slow the pipeline.
The catch: the mega-deals are still doing the heavy lifting
Here’s the not-so-bad news: giant AI deals are still big enough to keep 2026 on pace to be the second-highest-volume year for global M&A ever. In other words, the market may be picky, but it’s not on strike.
That split personality matters for investors because it suggests two things can be true at once:
- smaller or more rate-sensitive deals may stay sluggish,
- while mega-cap AI-related transactions keep inflating headline totals.
What to watch next
If borrowing costs keep easing and AI enthusiasm stabilizes, deal activity could rebound fast. If not, you may keep seeing a market where the biggest players still make headlines while everyone else waits for better math.
Big picture: M&A isn’t frozen — it’s just shopping with a list and a budget.