Key PointsJerome Powell's term as Fed chair ended on May 15, paving the way for President Trump's nominee, Kevin Warsh, to succeed him.Powell's final year as Fed chair was marred by two price shocks: Trump's tariffs and the Iran war.The now-former Fed chair offered a sobering reminder about inflation and interest rates in his final Federal Open Market Committee (FOMC) meeting.10 stocks we like better than S&P 500 Index › A new era is upon us at …