MEXICO CITY—Last week, Pearle Europe (of which HAL Holding owns 98.8 percent) completed its acquisition of a 25 percent interest in Mexican optical chain Grupo Optico Lux. The acquisition was first announced in March.

The transaction included an option for Pearle Europe to acquire an additional 45 percent interest in the 69-store chain after two years.

Grupo Optico Lux, based here, had net sales of about €37 million in 2009.