1/31 X-Cel Optical Co. Cie Generale d'Optique Essilor International acquired an 80 percent share of X-Cel Sauk Rapids, Minn. Essilor International SA Optical, a maker of ophthalmic lenses, to strengthen its Charenton-le-Pont, France position in the United States.

2/1 Nanostim Inc. St. Jude Medical Inc. St. Jude acquired a maker of miniaturized leadless pacemakers. Milpitas, Calf. Little Canada