POSCO Holdings (PKX) moved higher as market attention centered on a POSCO-linked lithium M&A milestone in Argentina. A disclosure tied to Lithium South said the company set April 7, 2026 as the closing date for selling 100% of NRG Metals Argentina S.A. shares—holder of the Hombre Muerto North lithium project package—to POSCO Argentina S.A.U. and POSCO Holdings, following earlier shareholder approval.

The update strengthens the near-term visibility of POSCO’s lithium supply-chain expansion at a time when investors are looking for catalysts beyond the traditional steel cycle. POSCO has been positioning lithium as a key growth pillar alongside steel, and incremental confirmation that transactions are moving toward completion can lift sentiment on execution and resource access.

Investors will likely look for final closing confirmation, full transaction terms (including payment mechanics and any conditions), and integration timelines for the acquired Argentine assets. Additional upside catalysts could include clearer production ramp guidance for Argentina operations and any updates on capital allocation priorities between dividends/buybacks and battery-materials growth investments.