Gloomy tales <a href="http://www.mamaloca.net/pharmacy/index.php/tetracycline-500-mgs-rfxi">tetracycline shortage 2013</a> U.S. shares were little changed, after the largest declineon Wall Street in nearly two months a day earlier set majorindexes on course for their first back-to-back weekly declinessince late June. European shares eased from two-year highs setearlier this week.