S&P 500 futures are falling 0.3%.
Dow Jones Industrial Average futures are down 0.1%.
Nasdaq 100 futures are slipping 0.4%.
On Tuesday, the Dow Jones Industrial Average rose 228 points, or 0.47%, to 48,363, the S&P 500 gained 44 points, or 0.64%, to 6,878.5, and the Nasdaq Composite climbed 121 points, or 0.52%, to 23,429.