The buck's latest surge comes as rising Treasury yields attract funds, and so-called 'U.S. exceptionalism' - a strong economy containing many of the world's biggest and most successful companies - encourages global investors to buy American assets.

Nvidia traded slightly higher after Jensen Huang's CES keynote. Traders are eyeing key economic data later in the week.

The Nvidia selloff comes despite an overwhelmingly positive reaction from Wall Street analysts on the the speech largely focused on Nvidia’s efforts in robotics,

U.S. equity futures edged higher in early Tuesday trading, while Treasury yields steadied and the dollar slipped, as investors looked to the first of a series of job market data releases that could test the market's early January rally.