<p>Wall Street edged higher on Tuesday after the latest quarterly earnings and outlooks posted by Goldman Sachs, Coca-Cola and others outweighed investor fears about the sluggish global economy.</p><br /><p>Global shares and the euro hit their highest marks in over a week, lifted by returning confidence in Germany's economy, positive U.S. earnings and hopes Europe can advance plans to tackle Spain and Greece's debts later this week.</p>
