Nasdaq tech leads strong Wall Street rebound after Iran ceasefire deal

9.55am: Rocket open Wall Street stocks have opened firmly higher, led by the Nasdaq, gaining 2.9% and the small cap Russell 2000, with a 3.45% jump. The blue chip Dow Jones started up 2.8%, while the S&P 500 rose 2.3%. Gains on the Nasdaq 100 were driven by semiconductor and tech...