Archive · 28 Sep 2026
Ackman Questions Fed Rate Hike as AI Investment Surges
Bill Ackman thinks the Federal Reserve may have made a mistake by raising interest rates.
The Fed usually raises rates to make borrowing more expensive.
This is supposed to slow spending and investment, which can help lower inflation.
Ackman says companies may keep spending heavily on artificial intelligence even when loans cost more.
They may do this because they believe AI could bring very large future profits.
AI projects also require computers, data centers, electricity, land and construction.
If those costs rise, companies might charge customers more.
That could make inflation worse instead of better.
Fed officials still say more rate increases may be needed if inflation stays high.
Bill Ackman questioned whether the Federal Reserve’s traditional inflation models apply to an AI-driven economy.
The Federal Reserve recently raised its benchmark rate by 25 basis points to a 3.75%-4% target range.
Ackman argues companies may continue funding AI, data centers, computing power and energy projects despite higher borrowing costs.
He warned that financing costs could be passed through to consumers, potentially increasing inflation rather than reducing it.
Several Fed officials indicated another rate increase could be possible if inflation remains above the 2% target.
- Who
- Bill Ackman, the Federal Reserve and several Fed officials, including John Williams, Susan Collins and Michael Barr.
- What
- Ackman questioned whether the Federal Reserve’s interest-rate strategy will reduce inflation during the AI investment boom.
- When
- The Federal Reserve raised rates earlier in September 2026, and Ackman posted his criticism on September 25, 2026.
- Where
- The issue concerns United States monetary policy; Ackman expressed his view on X.
- Why
- Ackman believes AI-related demand and investment may remain strong despite higher rates, while increased financing costs could add to inflation.
Ackman’s View
Federal Reserve’s Policy Rationale
Effect of higher interest rates
Ackman’s View
AI companies may continue investing because the potential returns from advanced AI and computing capacity could outweigh higher borrowing costs.
Federal Reserve’s Policy Rationale
The Fed’s standard approach assumes higher borrowing costs reduce demand and investment, helping ease inflationary pressure.
Inflation risk
Ackman’s View
If AI investment continues, higher financing, energy and infrastructure costs could be passed on to consumers and increase inflation.
Federal Reserve’s Policy Rationale
Fed officials cited persistent inflation above the 2% target and said further policy adjustments may be needed to bring it down.
Need for another rate increase
Ackman’s View
Ackman suggested the recent rate hike may have been a mistake if traditional economic models do not fit the AI economy.
Federal Reserve’s Policy Rationale
John Williams said another rate hike by the end of the year was a reasonable possibility, while other officials also warned inflation could remain elevated.
- Federal funds target range
- 3.75% to 4% after a 25-basis-point increase
- Federal Reserve inflation target
- 2%
- Ackman’s concern
- Higher rates may not sufficiently reduce AI-related demand and investment.
- AI investment areas
- Computing capacity, data centers, chips, energy and construction
- Potential inflation mechanism
- Companies could pass higher financing and infrastructure costs through to prices.
- Possible further hike
- New York Fed President John Williams said another increase by year-end could be reasonable.