Dow futures are struggling for traction as traders await upcoming jobs data.

Nvidia shares have risen 1.5%, approaching a fresh record high following CEO Jensen Huang's optimistic address at the CES conference.

Micron Technology stock has surged nearly 6%, building on a 10.5% increase from Monday, after Huang highlighted Micron's role in supplying memory for Nvidia's graphics processing units.

Carvana shares are up 4% after RBC upgraded the online used-car retailer's rating from sector perform to outperform, following a recent short-selling report.

Meanwhile, Uber Technologies has seen its shares increase by more than 3% as the ride-hailing company announced a collaboration with Nvidia to develop autonomous-driving technology.