RadioShack’s shares fell by 24 percent after holiday sales came in dramatically under expectations. The company has now announced that it will shutter 1,100 stores, leaving 4,000 brick-and-mortar locations in the U.S. Meanwhile, Staples announced that it would close 225 stores by next year, as the office supply superstore continues to move its business online, which already accounts for half of its total sales. Can physical retail stores survive in an Amazon-dominated world? Continue reading The Amazon Effect: RadioShack and Staples to Close Stores