NEW YORK — Wall Street and oil prices are holding steadier Thursday following their sharp swings the day before in the wait to see what will come next after U.S. President Donald Trump raised doubts about the temporary truce in the war with Iran.

The S&P 500 rose 0.3 per cent, even though the United States launched new airstrikes against Iran, which responded by targeting U.S. allies in the Middle East. The Dow Jones Industrial Average was down 47 points, or 0.1 per cent, as of 9:35 a.m. Eastern time, and the Nasdaq composite was 0.5 per cent higher.

In the oil market, prices edged lower following…