American Eagle Outfitters launches premium denim brand AE77

South Side-based fashion retailer American Eagle Outfitters (NYSE: AEO) announced it is launching a new premium denim brand, with the new AE77 based on sustainably sourced organic cotton and marketed off of New York City, with a store and e-commerce site to come. Look for the company to launch its new website for the brand on Oct. 15 with its first store to open soon in the Soho neighborhood of New York and a second store to open by the end of the year. According to its announcement, American Eagle's…