Fort Worth, Texas — RadioShack will open 20 to 30 eponymous stores in Canada by year’s end.

The move follows

Boston — Net sales of Duracell batteries jumped 12 percent in the first quarter at parent Gillette, hitting $462 million for the period

Washington — XM said it exceeded 4 million subscribers as of last week and that it is has captured more than 70 percent of satellite

Englewood Cliffs, N.J. — In an effort to protect its firm policies against distributing its products on line, LG Electronics has hired