(Bloomberg) -- Pershing Square founder Bill Ackman has doubled down on calls for aggressive interest rate increases from the US Federal Reserve, saying it would lower the risk of high long-term rates.

The series of tweets came hours after he warned that investors lacked confidence the Fed will get inflation under control and called for it to act aggressively. 

“By raising rates aggressively now, the Fed can protect and enhance equity markets and the strength of the economy for all, while stymieing inflation that destroys livelihoods, particularly that of the least fortunate,” he tweeted. 

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