S&P 500 Rally Faces Its First Real Test From the Fed

U.S. markets surged to record highs on Monday following President Trump's announcement of a completed Iran peace deal, with the Dow, S&P 500, and Nasdaq all posting strong gains. Oil prices plummeted below $81 as the Strait of Hormuz reopened, benefiting airlines and transport while pressuring energy stocks. However, the rally is concentrated in semiconductor and tech names, with narrow breadth raising concerns about durability ahead of the Federal Reserve's Wednesday decision. SpaceX's IPO has tripled from its offer price in three days, signaling extreme momentum-driven speculation.