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.

Asian shares mostly rose Tuesday, deriving optimism from rising technology stocks on Wall Street, led by Nvidia. Japan's benchmark Nikkei 225 jumped 2.2% to 40,164.53. Australia's S&P/ASX 200 edged up 0.