Stanley Druckenmiller's Duquesne Family Office spearheaded Wall Street's reentry into Argentine equities this year, purchasing $128 million in state energy giant YPF SA as the stock hits two-decade highs. Foreign inflows into the Global X MSCI Argentina ETF reached $63 million through May, reversing earlier outflows amid optimism about an MSCI reclassification that could unlock billions in passive investment.

The renewed appetite follows President Javier Milei's decisive midterm election victory, which sent the S&P Merval index soaring 54% since October. Druckenmiller initially bought five liquid U.S.-listed Argentine stocks after Milei's Davos speech, then reduced exposure before the vote before rebuilding positions afterward. Major banks including Morgan Stanley, UBS, and Goldman Sachs have also acquired Argentina ETF shares, while JPMorgan and Citigroup targeted individual companies.

Investors favor equities over sovereign debt, seeing greater upside in energy names like Vista Energy and Grupo Financiero Galicia. The central bank's rebuilt foreign reserves and peso stability add confidence. A potential MSCI upgrade to frontier-market status could trigger automatic inflows, with emerging-market classification potentially bringing $5 billion into Argentine stocks.

This marks a sharp reversal from 2019's market collapse when Argentina's pro-business government fell. However, the real economy recovery remains uneven, with energy and mining thriving while construction and manufacturing lag below pre-Milei levels.