Spain’s leading grocer, Mercadona, generated gross sales of €27.8 bn in 2021, up 3.3% on 2020’s figure. Net income was €680m, a 6% decrease compared with 2020. Mercadona invested a total of €1.2 bn in 2021, €920m on 79 new store openings and store refits, €180m in its supply chain and €100m to…