The S&P 500 and the Dow opened at record highs on Tuesday, helped by upbeat results from companies including United Parcel Service, while investor focus turned towards results from Microsoft and Alphabet later in the day.
The Dow Jones Industrial Average rose 49.90 points, or 0.14 per cent, at the open to 35,791.05.
The S&P 500 opened higher by 12.21 points, or 0.27 per cent, at 4,578.69, while the Nasdaq Composite gained 90.80 points, or 0.60 per cent, to 15,317.50 at the opening bell.
