US stocks open higher after better-than-expected results from healthcare giants

U.S. stocks opened higher on Tuesday, taking the S&P 500 to less than a per cent away from an all-time high, after better-than-expected results from healthcare giants UnitedHealth and Johnson & Johnson. The Dow Jones Industrial Average rose 97.42 points, or 0.37%, at the open to 26,482.19. The S&P 500 opened higher by 6.68 points, or 0.23%, at 2,912.26. The Nasdaq Composite gained 24.56 points, or 0.31%, to 8,000.57 at the opening bell.