S&P500, Nasdaq hit record highs at the open on earnings boost

The S&P 500 and the Nasdaq indexes opened at record highs on Thursday, helped by a rally in tech stocks, while investors parsed a barrage of quarterly reports and the latest batch of economic data.

The Dow Jones Industrial Average rose 142.3 points, or 0.42%, at the open to 33,962.63. The S&P 500 rose 31.0 points, or 0.75%, at the open to 4,214.45, while the Nasdaq Composite rose 112.5 points, or 0.80%, to 14,163.62 at the opening bell.