Wall Street Steady After Super Tuesday

U.S. stock index futures indicated a narrowly lower open on Wednesday as investors digested a global rally in risk assets and a big night for U.S. politics.

European and Asian markets pushed higher after a stellar rally on Wall Street on Tuesday. Stocks surged in the U.S. Tuesday, in the best start to a month in more than three years. The Dow closed up 2.1 percent at 16,865 and the S&P 500 bounced 2.4 percent to 1,978.

Equities were boosted by a few factors, including February ISM manufacturing data and oil, which rallied to close near the key $35 per barrel area. But investors are set to pause for breath on Wednesday.

Elsewhere on Wednesday, there are just a few earnings, includingAbercrombie & Fitch, Brown-Forman, Costco, American Eagle Outfitters, Pure Storage and Semtech. There is also Energy Information Administration oil inventory data at 10:30 a.m. ET.

Investors will also be watching for more hints on future policy at theU.S. Federal Reserve and whether it will continue its tightening process this year. San Francisco Fed President John Williams is due to speak at 11 a.m. ET.