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Bill Ackman Just Said 4 Words Blasting the Fed's Latest Rate Hike: "Just Made a Mistake." Here's Why He Thinks Higher Rates Could Backfire on AI-Driven Inflation.

2026-09-30 14:23 •Billy Duberstein •The Motley Fool Neutral Axe Cap view: Selective •Macro•Central Banks•Inflation•Rates•Technology•AI•Semiconductors•Equities •PS

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Ackman Warns Fed’s Rate Hike Could Backfire on Inflation

Higher rates may fail to cool AI-driven inflation, says Bill Ackman, with local implications for rand and tech sectors.

Bill Ackman’s blunt claim that the Fed “just made a mistake” with its recent rate hike deserves attention. His argument revolves around AI firms’ relentless spending on computing power to chase artificial general intelligence (AGI). The key here is inelastic demand—these companies will spend regardless of higher borrowing costs. For South Africa, this means the usual pathway where higher global rates slow spending and ease inflation may be broken. The rand could struggle against the dollar if US inflation remains sticky, squeezing import costs and complicating South Africa’s inflation fight. On the JSE, tech-heavy counters like Naspers and Prosus may see earnings pressure if higher global borrowing costs translate into tougher conditions for their international operations, although their heavy cash reserves might offer some buffer. Financial shares like Standard Bank or FirstRand might fare better if the SARB can keep rates higher to support the rand. This view could be wrong if AI investment slows unexpectedly or if new Fed leadership changes policy trajectory. this is just our opinion and not financial advice

How I would invest

Trim exposure to Prosus and Naspers to lock in gains amid tech sector uncertainties. Watch local banks like Standard Bank and FirstRand for potential benefit from rate stability and rand support.

What I would watch
  • Naspers
  • Prosus
  • Standard Bank
  • USD/ZAR
What could go wrong
  • AI investment slows more than expected
  • Fed reverses rate hikes or signals pause
How strongly I feel

6/10

Bill Ackman criticizes the Federal Reserve's September 2024 rate hike, arguing that higher interest rates may backfire in the AI era. He contends that tech companies racing for artificial general intelligence will continue massive spending on AI compute regardless of borrowing costs, making demand inelastic. This could cause higher interest rates to be reflected only in AI product prices, potentially increasing rather than decreasing inflation.

Our take is based on reporting first published by The Motley Fool.

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