The dollar is surging. This is who gets helped - and hurt - by its newfound strength

As the Federal Reserve has raised interest rates to fight high inflation, the U.S. dollar has strengthened significantly. (Matt Cardy/Getty Images)

The value of the U.S. dollar is surging at a moment when there are few clear bright spots in the American economy.

It's now the strongest it has been in two decades, and it's poised to get even stronger. The new power of the greenback is roiling economies and markets around the globe, and creating winners and losers.