US giant's worldwide sales off 0.6% as overseas growth mitigates domestic dip
                                
                                
                                    (Newser) -
                                    GM’s vehicle sales fell 0.6% in the first quarter, helping Toyota, on 2.7% growth, take the global sales lead, the Wall Street Journal reports. Toyota sold 2.41 million vehicles worldwide to 2.25 million for the American giant, which was hurt badly by a 10.2%...