India, April 21 -- The major U.S. index futures are currently pointing to a higher open on Tuesday, with stocks likely to move back to the upside following the modest pullback seen in the previous session.

A positive reaction to some of the latest earnings news may contribute to early strength on Wall Street even as traders keep an eye on the latest developments in the Middle East.

Shares of UnitedHealth (UNH) are surging by 7.2 percent in pre-market trading after the health insurance giant reported better than expected first quarter results and raised its full-year earnings guidance.

Homebuilder D.R. Horton (DHI) is also seeing significant pre-market strength after reporting first quarter earnings that exceeded analyst estimates.

On th...