There are four key things you need to know before the opening bell rings in New York:
1. Mixed markets: U.S. stock futures were moving higher ahead of the opening bell but European markets weren't so chipper. Investors are keeping a wary eye on the situation in Ukraine. Russia said it was sending an aid convoy to the east of the country.
There was more evidence of the damage the crisis is causing Germany. The ZEW index of investor sentiment fell sharply this month to its lowest level since December 2012.