Major indices spent the entire day in positive territory with both Iran and Israel refraining from new attacks after a barrage of last-minute strikes.
With the “de-escalation, the market seems to be doing better,” said Art Hogan, chief market strategist of B Riley Wealth, who also described Federal Reserve Chair Jerome Powell’s testimony before Congress as constructive for equities.
The Dow Jones finished up 1.2 percent at 43,089.
The S&P 500 advanced 1.1 percent to 6,092, while the Nasdaq jumped 1.4 percent to 19,912.
In a first day of congressional testimony, Powell told lawmakers that the central bank can afford to wait for the impact of tariffs before deciding on further interest rate cuts.
But Powell “didn’t close the door” to a potential rate cut, Hogan said.
Trump has been outspoken in ridiculing Powell’s decisions thus far, referring to the Fed chair in a social media post on Tuesday as a “dumb, hardheaded person.”
In recent days, some other Fed officials have said they could favour a rate cut in July if inflation stays muted.
Data released on Tuesday showed US consumer confidence fell as participants in a survey expressed worries about tariffs.
Among individual companies, Carnival jumped 6.9 percent after the cruise company reported much higher profits and said advanced bookings for 2026 were in line with 2025 record levels.
But KB Home fell 0.5 percent as the homebuilder lowered some of its projections, saying that market conditions had softened.
Defence-related stocks were lower with the improving conditions in the Middle East. RTX and Lockheed Martin both lost more than two percent. (AFP)