The broad-based S&P 500 slipped from its record the day before, falling 0.6 percent to 3,948.72, while the tech-rich Nasdaq Composite Index fell 0.2 percent to 15,699.32.
The Dow Jones Industrial Average fell 0.4 points at the open to 32825.52. The S&P 500 fell 13.1 points, or 0.33%, at the open to 3949.57, while the Nasdaq Composite dropped 134.7 points, or 1.00%, to 13336.915 at the opening bell.
The Dow Jones Industrial Average rose 13.3 points, or 0.04%, at the open to 32966.75. The S&P 500 rose 4.7 points, or 0.12%, at the open to 3973.59, while the Nasdaq Composite rose 63.5 points, or 0.47%, to 13523.173 at the opening bell.
The Nasdaq Composite rose 313.9 points, or 2.49% to 12923.071 at the opening bell. The Dow Jones Industrial Average rose 89.9 points, or 0.28%, to 31892.35, while S&P 500 rose 30.6 points, or 0.80%, at the open to 3851.93.