The U.S. has stepped in with an extraordinary bailout of Argentina. Here's what it means
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The Treasury Department has extended a financial lifeline to Argentina in apparent hopes of heading off an emerging market financial crisis.

The U.S. is providing a $20 billion currency swap line with Argentina’s central bank — essentially exchanging stable U.S. dollars with volatile pesos.

While Argentina poses little systemic risk, it can still matter in terms of flight risk for capital along with volatility in debt and commodity markets.

In addition to economic and market matters, the U.S. has a significant political stake in what’s happening in Argentina