Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTNeil Patel, The Motley FoolSat, June 20, 2026 at 1:21 PM GMT+2 3 min readThe Federal Reserve operates with a dual mandate. It's tasked with keeping prices stable and supporting full employment in the U.S. And its main policy tool is adjusting the federal funds rate.Given its importance to the economy, investors are glued to what the central bank says and does. These words and actions have an impact on the stock market.Missed Nvidia in 2009? This Rare Signal Is Flashing Again. In 2009, a "Double Down" signal flashed for a little-known chipmaker called Nvidia. For the first time in years, that same "Total Conviction" signal is flashing for a company 1/100th the size of Nvidia. Continue »There has been a leadership change, as Kevin Warsh officially became the chair of the Federal Reserve on May 22, taking over from Jerome Powell. But Powell isn't walking off into the sunset. He's a member of the board of governors, so he still has a vote on policy decisions.Powell was recently given the John F. Kennedy Profile in Courage Award. And at the ceremony, he warned of a major risk that could derail this bull market. Investors should pay attention.Image source: Getty Images.Political pressure is a problemJerome Powell was the Fed chair starting in February 2018. Since then, volatile macroeconomic conditions have prevailed. He oversaw the U.S. economy during the COVID-19 pandemic and a spell of surging inflation and expanding federal debt, not an easy task. But Powell faced immense pressure from President Donald Trump, who wants interest rates to fall faster. Trump has publicly questioned Powell's intelligence and ability to do the job.The Federal Reserve is a quasigovernmental organization. It's supposed to operate independently, but the Fed's decisions can easily be influenced by the president's comments.Investor confidence moves marketsIt makes sense that Trump wants central bankers to lower interest rates. Lower rates are accommodative to the economy, and they can drive investors to take on greater risk, pushing them to own stocks. This can lead to ongoing bull markets. And as we've seen in recent presidential cycles, candidates often point to the performance of the S&P 500 index as a measure of how they did during their time in the White House. It's a highly visible benchmark.The current economic backdrop poses a problem, however. Trump nominated Warsh, probably expecting him to start cutting interest rates.But Kevin Warsh became Fed chair at a time of soaring inflation due to the Middle East conflict. The Consumer Price Index rose 4.2% year over year in May, the fastest growth rate since April 2023. Lowering rates could spur inflationary pressures.Terms and Privacy PolicyEU DSA contactPrivacy & Cookie SettingsMore Info