The U.S. Backs Japan's Yen After Decades. Here's What's Really at Stake for Investors.

Source: International Business Times

Behrouz Mehri/AFP via Getty Images The United States' decision to join Japan in a rare coordinated effort to support the yen has sent a strong signal to global financial markets, marking the first joint intervention by the two countries to buy yen since 1998. While the move immediately helped the battered Japanese currency rebound from its weakest level against the U. S.