The Dow Jones Industrial Average fell 156.12 points, or 0.43%, at the open, to 36,089.38.
The S&P 500 opened lower by 30.26 points, or 0.66%, at 4,564.37, while the Nasdaq Composite dropped 136.37 points, or 0.95%, to 14,168.66 at the opening bell.
More to come...