Chicago Tribune | Motorola Mobility sinks to 4Q loss amid fierce competition in smartphone ... Washington Post LIBERTYVILLE, Ill. — Motorola Mobility sank to a fourth-quarter loss, as it battled fierce competition in the smartphone and computer tablet market. The company is also trying to close its proposed $12.5 billion sale to Google. Fourth quarter loss for Motorola Motorola posts fourth quarter loss Motorola suffers 4Q loss as Google sale looms |