The U.S. Treasury finalized a $20 billion currency swap framework with Argentina and bought pesos in the open market on Thursday, making good on President Donald Trump's pledge to prop up the wobbling country and sending the peso and Argentine dollar bonds sharply higher.

"The U.S. Treasury is prepared, immediately, to take whatever exceptional measures are warranted to provide stability to markets," U.S. Treasury Secretary Scott Bessent said in announcing the actions on X.

Argentina's 2035 bond rose 4.5 cents to trade at 60.5 cents on the dollar, while the peso closed at 1,418 per dollar, up 0.8% on the day after falling 3% earlier.

Local stocks rose 5.3% Thursday. Last month, they touched a 2025 low, days before Bessent's initial support pledge. Argentine stocks traded in U.S. excha

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