Wall Street expected an M&A boom – instead, dealmaking fractured in 2025

Gillian Tett

At the start of 2025, Wall Street entered the year with strong expectations of a renewed U.S. mergers and acquisitions boom. A shift in the political backdrop, deregulation rhetoric, and corporate fatigue after years of elevated uncertainty had created a broad consensus that dealmaking momentum would accelerate. Instead, the year unfolded in a far more fragmented and uneven manner. From the perspective of YourDailyAnalysis, the M&A landscape never evolved into a single recovery cycle but rather into a series of disconnected and sector-specific adjustments.

A defining feature of 2025 has been the widening gap between deal volume and deal value. The number of transactions declined compared with the prior year, signaling persistent caution among corporate buyers. At the same time, aggregate deal value increased, driven by a narrow concentration of megadeals. In the assessment of YourDailyAnalysis, this configuration reflects not renewed confidence but growing market polarization, where access to capital, regulatory bandwidth, and political alignment is increasingly concentrated among the largest players.

Many of the year’s headline transactions in infrastructure, transportation, and media were defensive rather than expansionary in nature. Their primary objective was scale, cost efficiency, and resilience amid long-term structural shifts such as digital transformation and evolving supply chains. These deals, however, require complex regulatory and political navigation, further raising execution risks and reinforcing barriers for mid-sized acquirers.

The mid-market segment proved the most vulnerable. Elevated interest rates, tariff uncertainty, and unstable margin forecasts complicated valuation frameworks and financing structures. As analysts at Your Daily Analysis note, a significant share of potential transactions were postponed, downsized, or restructured into looser strategic partnerships rather than full acquisitions.

Another constraining factor was the internal reallocation of capital toward artificial intelligence and digital infrastructure. For many corporations, these investments took precedence over traditional M&A, effectively competing for balance-sheet capacity and management attention. As a result, dealmaking in 2025 faced pressure not only from macroeconomic risks but also from internal transformation agendas.

Sector performance remained uneven. Consumer-facing industries and tariff-sensitive segments lagged, while industrials, energy, and healthcare showed relative resilience due to long-term structural demand drivers. Banking stood out as an exception, with deal activity accelerating in the second half of the year, largely due to activist investor pressure and shorter regulatory approval timelines.

In the base-case outlook of YourDailyAnalysis, 2025 should not be interpreted as a failed M&A rebound but as a transition toward a more selective and politically conditioned deal environment. Momentum in 2026 will depend less on headline optimism and more on participants’ ability to price regulatory, geopolitical, and financing risks into transactions from the outset.

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