President Donald Trump and Fed Chair Kevin Warsh Are on a Collision Course Over Interest Rates, and Things May Get Ugly for Wall Street

It's been a history-filled two months for Wall Street and investors. Space Exploration Technologies (SpaceX) etched its name in the record books with the largest-ever initial public offering, while the Dow Jones Industrial Average (DJINDICES: ^DJI), S&P 500 (SNPINDEX: ^GSPC), and Nasdaq Composite (NASDAQINDEX: ^IXIC) all soared to fresh highs.

But the changing of the guard at Wall Street's foremost financial institution, the Federal Reserve, may be the pinnacle of these events. Jerome Powell's second term as Fed chair came to an end on May 15, allowing President Donald Trump's handpicked successor, Kevin Warsh, to officially become head of the central bank.

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Although Trump seemingly couldn't usher Powell out the door fast enough -- Powell has chosen to remain on the Board of Governors -- a new Fed chair isn't a panacea for the ideological gap between the president and the Federal Open Market Committee (FOMC), led by Warsh, over interest rates.

Donald Trump has repeatedly pushed for interest rate cuts

Shortly after the start of Trump's second, non-consecutive term, he began publicly chastising Jerome Powell and the FOMC for not aggressively lowering interest rates. These vocal criticisms are what made it clear that Powell wouldn't return for a third term as Fed chair.

Despite the FOMC -- the 12-person body responsible for setting the nation's monetary policy -- lowering the federal funds target rate on six occasions from September 2024 to December 2025, it simply wasn't enough to appease Trump. The current fed funds rate of 3.5% to 3.75% sits markedly higher than the president's desired target of 1% or lower.

Donald Trump likely has several motives behind this push for lower interest rates. In no particular order, lower lending rates would:

• Fuel the artificial intelligence data center build-out, which is the stock market's No. 1 catalyst.

• Encourage businesses to hire and acquire, potentially lowering an unemployment rate that has ticked modestly higher over the last three years.

• Make it considerably less costly for the U.S. to service its more than $39 trillion in outstanding debt.

Although Trump now has his handpicked successor to Powell running the show, the jabs at the FOMC and/or Kevin Warsh over interest rates haven't stopped.