American Eagle's marketing campaigns are giving the company a meaningful boost. The retailer has launched a number of campaigns this year that have been at the center of viral moments online.It looks like they're paying off financially. Its stock has been up this year, and its total revenue was $1.4 billion for the third quarter that ended November 1, roughly 6% higher year-over-year. American Eagle raised forward-looking guidance for the fourth quarter, and its stock rose at least 10% after hours on Tues ...