Birkenstock gave an early glimpse at its fourth quarter earnings ahead of a meeting with analysts and investors at its Munich headquarters on Thursday. The German footwear maker reported that it expects fourth quarter revenues to total at least 520 million euros, growth of at least 14 percent on a reported basis and 18 percent in constant currency. More from WWD This would result in full year revenue of at least 2.09 billion euros, growth of 15.9 percent on a reported basis and 17.5 percent in constant c ...