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.

Jensen Huang unveils the chip designer’s next-generation gaming graphics cards at the CES tech trade show in Las Vegas on Monday.