The U.S. stock market experienced notable gains following comments from Federal Reserve Chair Jerome Powell, referred to as the 'Powell Pump.' The S&P 500 ETF (SPY) rose by 1.60%, while the Nasdaq-100 ETF (QQQ) increased by 2.00%. Analysts observed that the market reacted positively to Powell's press conference, with bond yields also declining as a result. This upward momentum in equity markets suggests investor confidence in the Fed's current monetary policy stance.