Within the Nasdaq -100 index, Advanced Micro Devices AMD and Palo Alto Networks PANW were among the best performers at the market open. AMD stock rallied 4.8%, hitting a new 52-week high. Palo Alto shares rose 1.8%, on pace to add to Tuesday's 4.3% advance.

Stocks are poised to open higher on Wednesday as the market looks to extend a rally that has pushed major indexes back to record-high levels.

The Dow Jones Industrial Average rose 112.9 points, or 0.25%, at the open to 44571.53. The S&P 500 rose 16.9 points, or 0.26%, to 6462.67​, while the Nasdaq Composite rose 82.6 points, or 0.38%, to 21764.548.