India, May 13 -- The major U.S. index futures are currently pointing to a modestly higher open on Tuesday, with stocks poised to add to the substantial gains posted in the previous session.

The futures edged higher following the release of a Labor Department report showing consumer prices in the U.S. rose by slightly less than expected in the month of April.

The Labor Department said its consumer price index inched up by 0.2 percent in April after edging down by 0.1 percent in March. Economists had expected consumer prices to rise by 0.3 percent.

Excluding food and energy prices, core consumer prices also rose by 0.2 percent in April after creeping up by 0.1 percent in March. Core consumer prices were also expected to climb by 0.3 percen...