Carrefour, the leading French supermarket chain, has announced the acquisition of the Super A supermarket chain, which operates 16 stores in the western Argentinian province of Mendoza, for an undisclosed amount. As part of the deal, all Super A locations will be rebranded as Carrefour Express and will begin operating under the new banner this month. Carrefour said the acquisition strengthened its position as the largest supermarket chain in Argentina, with …