Crude oil surged nearly 8% – its best day since April 2 – after US strikes on Iran and Tehran's retaliation, stalling the S&P 500's rally even as software stocks soared.

Oil prices are rising following the latest fighting to threaten the U.S.-Iran ceasefire, but Wall Street isn’t very worried, and U.S. stocks are hanging around their records.

Oil prices climbed after fresh fighting threatened the US-Iran ceasefire, though US stock markets showed little sign of concern.