Mobile-phone maker loses market share to Apple, Samsung
                                
                                
                                    (Newser) -
                                    Motorola, blaming loss of market share to Apple and Samsung, today reported a fourth-quarter profit plunge of 84%. The nation’s largest mobile-phone maker said phone shipments fell 38%, and sales fell 18.2%. Reviving its ailing cellphone unit will take longer than expected, Motorola said, forecasting a loss next...