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.

A s if its 171% gain in 2024 wasn't enough, shares of Nvidia (NASDAQ: NVDA) were already up about 9% by market close on Jan. 6. This was almost eight percentage points more than t

Shares in the chip designer were up 0.4% at $140.69 in premarket trading. Futures tracking the benchmark S&P 500 index were down 0.2%. Nvidia stock tumbled 6.2% in the previous se